Multiple vulnerabilities in MediaTek chipsets



Risk Low
Patch available YES
Number of vulnerabilities 7
CVE-ID CVE-2025-20672
CVE-2025-20673
CVE-2025-20674
CVE-2025-20675
CVE-2025-20676
CVE-2025-20677
CVE-2025-20678
CWE-ID CWE-122
CWE-476
CWE-863
CWE-674
Exploitation vector Local
Public exploit N/A
Vulnerable software
MT7902
Mobile applications / Mobile firmware & hardware

MT7921
Mobile applications / Mobile firmware & hardware

MT7922
Mobile applications / Mobile firmware & hardware

MT7925
Mobile applications / Mobile firmware & hardware

MT7927
Mobile applications / Mobile firmware & hardware

MT6890
Mobile applications / Mobile firmware & hardware

MT6990
Mobile applications / Mobile firmware & hardware

MT7915
Mobile applications / Mobile firmware & hardware

MT7916
Mobile applications / Mobile firmware & hardware

MT7981
Mobile applications / Mobile firmware & hardware

MT7986
Mobile applications / Mobile firmware & hardware

MT7990
Mobile applications / Mobile firmware & hardware

MT7992
Mobile applications / Mobile firmware & hardware

MT7993
Mobile applications / Mobile firmware & hardware

MT6739
Mobile applications / Mobile firmware & hardware

MT6761
Mobile applications / Mobile firmware & hardware

MT6762
Mobile applications / Mobile firmware & hardware

MT6762D
Mobile applications / Mobile firmware & hardware

MT6762M
Mobile applications / Mobile firmware & hardware

MT6763
Mobile applications / Mobile firmware & hardware

MT6765
Mobile applications / Mobile firmware & hardware

MT6765T
Mobile applications / Mobile firmware & hardware

MT6767
Mobile applications / Mobile firmware & hardware

MT6768
Mobile applications / Mobile firmware & hardware

MT6769
Mobile applications / Mobile firmware & hardware

MT6769K
Mobile applications / Mobile firmware & hardware

MT6769S
Mobile applications / Mobile firmware & hardware

MT6769T
Mobile applications / Mobile firmware & hardware

MT6769Z
Mobile applications / Mobile firmware & hardware

MT6771
Mobile applications / Mobile firmware & hardware

MT6783
Mobile applications / Mobile firmware & hardware

MT6785T
Mobile applications / Mobile firmware & hardware

MT6785U
Mobile applications / Mobile firmware & hardware

MT6789
Mobile applications / Mobile firmware & hardware

MT6813
Mobile applications / Mobile firmware & hardware

MT6833
Mobile applications / Mobile firmware & hardware

MT6833P
Mobile applications / Mobile firmware & hardware

MT6835
Mobile applications / Mobile firmware & hardware

MT6835T
Mobile applications / Mobile firmware & hardware

MT6855
Mobile applications / Mobile firmware & hardware

MT6855T
Mobile applications / Mobile firmware & hardware

MT6875T
Mobile applications / Mobile firmware & hardware

MT6877T
Mobile applications / Mobile firmware & hardware

MT6877TT
Mobile applications / Mobile firmware & hardware

MT6878
Mobile applications / Mobile firmware & hardware

MT6878M
Mobile applications / Mobile firmware & hardware

MT6879
Mobile applications / Mobile firmware & hardware

MT6880
Mobile applications / Mobile firmware & hardware

MT6886
Mobile applications / Mobile firmware & hardware

MT6895
Mobile applications / Mobile firmware & hardware

MT6895TT
Mobile applications / Mobile firmware & hardware

MT6896
Mobile applications / Mobile firmware & hardware

MT6897
Mobile applications / Mobile firmware & hardware

MT6899
Mobile applications / Mobile firmware & hardware

MT6980
Mobile applications / Mobile firmware & hardware

MT6983
Mobile applications / Mobile firmware & hardware

MT6983T
Mobile applications / Mobile firmware & hardware

MT6985
Mobile applications / Mobile firmware & hardware

MT6985T
Mobile applications / Mobile firmware & hardware

MT6989
Mobile applications / Mobile firmware & hardware

MT6989T
Mobile applications / Mobile firmware & hardware

MT6991
Mobile applications / Mobile firmware & hardware

MT8666
Mobile applications / Mobile firmware & hardware

MT8667
Mobile applications / Mobile firmware & hardware

MT8673
Mobile applications / Mobile firmware & hardware

MT8675
Mobile applications / Mobile firmware & hardware

MT8676
Mobile applications / Mobile firmware & hardware

MT8678
Mobile applications / Mobile firmware & hardware

MT8765
Mobile applications / Mobile firmware & hardware

MT8766
Mobile applications / Mobile firmware & hardware

MT8766R
Mobile applications / Mobile firmware & hardware

MT8768
Mobile applications / Mobile firmware & hardware

MT8771
Mobile applications / Mobile firmware & hardware

MT8781
Mobile applications / Mobile firmware & hardware

MT8786
Mobile applications / Mobile firmware & hardware

MT8788
Mobile applications / Mobile firmware & hardware

MT8788E
Mobile applications / Mobile firmware & hardware

MT8789
Mobile applications / Mobile firmware & hardware

MT8791
Mobile applications / Mobile firmware & hardware

MT8791T
Mobile applications / Mobile firmware & hardware

MT8795T
Mobile applications / Mobile firmware & hardware

MT8798
Mobile applications / Mobile firmware & hardware

MT8863
Mobile applications / Mobile firmware & hardware

MT8873
Mobile applications / Mobile firmware & hardware

MT8883
Mobile applications / Mobile firmware & hardware

MT8893
Mobile applications / Mobile firmware & hardware

MT6779
Hardware solutions / Firmware

MT6781
Hardware solutions / Firmware

MT6785
Hardware solutions / Firmware

MT6853
Hardware solutions / Firmware

MT6853T
Hardware solutions / Firmware

MT6873
Hardware solutions / Firmware

MT6875
Hardware solutions / Firmware

MT6877
Hardware solutions / Firmware

MT6883
Hardware solutions / Firmware

MT6885
Hardware solutions / Firmware

MT6889
Hardware solutions / Firmware

MT6891
Hardware solutions / Firmware

MT6893
Hardware solutions / Firmware

MT8797
Hardware solutions / Firmware

Vendor MediaTek

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Heap-based Buffer Overflow

EUVDB-ID: #VU110029

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-20672

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within Bluetooth. A local application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT7902: All versions

MT7921: All versions

MT7922: All versions

MT7925: All versions

MT7927: All versions

CPE2.3 External links

https://corp.mediatek.com/product-security-bulletin/June-2025


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) NULL Pointer Dereference

EUVDB-ID: #VU110030

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-20673

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an uncaught exception within wlan. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT7902: All versions

MT7921: All versions

MT7922: All versions

MT7925: All versions

MT7927: All versions

CPE2.3 External links

https://corp.mediatek.com/product-security-bulletin/June-2025


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Incorrect Authorization

EUVDB-ID: #VU110031

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-20674

CWE-ID: CWE-863 - Incorrect Authorization

Exploit availability: No

Description

The vulnerability allows a local application to execute arbitrary code.

The vulnerability exists due to a missing permission check within wlan. A local application can execute arbitrary code.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6890: All versions

MT6990: All versions

MT7915: All versions

MT7916: All versions

MT7981: All versions

MT7986: All versions

MT7990: All versions

MT7992: All versions

MT7993: All versions

CPE2.3 External links

https://corp.mediatek.com/product-security-bulletin/June-2025


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) NULL Pointer Dereference

EUVDB-ID: #VU110032

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-20675

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an uncaught exception within wlan. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT7902: All versions

MT7921: All versions

MT7922: All versions

MT7925: All versions

MT7927: All versions

CPE2.3 External links

https://corp.mediatek.com/product-security-bulletin/June-2025


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) NULL Pointer Dereference

EUVDB-ID: #VU110033

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-20676

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an uncaught exception within wlan. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT7902: All versions

MT7921: All versions

MT7922: All versions

MT7925: All versions

MT7927: All versions

CPE2.3 External links

https://corp.mediatek.com/product-security-bulletin/June-2025


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) NULL Pointer Dereference

EUVDB-ID: #VU110034

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-20677

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an uncaught exception within Bluetooth. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT7902: All versions

MT7921: All versions

MT7922: All versions

MT7925: All versions

MT7927: All versions

CPE2.3 External links

https://corp.mediatek.com/product-security-bulletin/June-2025


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Uncontrolled Recursion

EUVDB-ID: #VU110035

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-20678

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to incorrect error handling within ims service. A local application can perform service disruption.

Mitigation

Install security update from vendor's website.

Vulnerable software versions

MT6739: All versions

MT6761: All versions

MT6762: All versions

MT6762D: All versions

MT6762M: All versions

MT6763: All versions

MT6765: All versions

MT6765T: All versions

MT6767: All versions

MT6768: All versions

MT6769: All versions

MT6769K: All versions

MT6769S: All versions

MT6769T: All versions

MT6769Z: All versions

MT6771: All versions

MT6779: All versions

MT6781: All versions

MT6783: All versions

MT6785: All versions

MT6785T: All versions

MT6785U: All versions

MT6789: All versions

MT6813: All versions

MT6833: All versions

MT6833P: All versions

MT6835: All versions

MT6835T: All versions

MT6853: All versions

MT6853T: All versions

MT6855: All versions

MT6855T: All versions

MT6873: All versions

MT6875: All versions

MT6875T: All versions

MT6877: All versions

MT6877T: All versions

MT6877TT: All versions

MT6878: All versions

MT6878M: All versions

MT6879: All versions

MT6880: All versions

MT6883: All versions

MT6885: All versions

MT6886: All versions

MT6889: All versions

MT6890: All versions

MT6891: All versions

MT6893: All versions

MT6895: All versions

MT6895TT: All versions

MT6896: All versions

MT6897: All versions

MT6899: All versions

MT6980: All versions

MT6983: All versions

MT6983T: All versions

MT6985: All versions

MT6985T: All versions

MT6989: All versions

MT6989T: All versions

MT6990: All versions

MT6991: All versions

MT8666: All versions

MT8667: All versions

MT8673: All versions

MT8675: All versions

MT8676: All versions

MT8678: All versions

MT8765: All versions

MT8766: All versions

MT8766R: All versions

MT8768: All versions

MT8771: All versions

MT8781: All versions

MT8786: All versions

MT8788: All versions

MT8788E: All versions

MT8789: All versions

MT8791: All versions

MT8791T: All versions

MT8795T: All versions

MT8797: All versions

MT8798: All versions

MT8863: All versions

MT8873: All versions

MT8883: All versions

MT8893: All versions

CPE2.3 External links

https://corp.mediatek.com/product-security-bulletin/June-2025


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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