SB2025070835 - Multiple vulnerabilities in MediaTek chipsets

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Main Vulnerability Database SB2025070835

SB2025070835 - Multiple vulnerabilities in MediaTek chipsets

Published: July 8, 2025 Updated: July 18, 2025

Security Bulletin ID SB2025070835
CSH Severity
High
Patch available
YES
Number of vulnerabilities 16
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 13% Low 88%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 16 vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2025-20689)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can gain access to sensitive information.


2) Buffer Underwrite ('Buffer Underflow') (CVE-ID: CVE-2025-20695)

CWE-ID: CWE-124 - Buffer Underwrite ('Buffer Underflow')

CVSSv4: 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


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.


3) Buffer Underwrite ('Buffer Underflow') (CVE-ID: CVE-2025-20694)

CWE-ID: CWE-124 - Buffer Underwrite ('Buffer Underflow')

CVSSv4: 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


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.


4) Out-of-bounds read (CVE-ID: CVE-2025-20693)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can gain access to sensitive information.


5) Out-of-bounds read (CVE-ID: CVE-2025-20692)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can gain access to sensitive information.


6) Out-of-bounds read (CVE-ID: CVE-2025-20691)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can gain access to sensitive information.


7) Out-of-bounds read (CVE-ID: CVE-2025-20690)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can gain access to sensitive information.


8) Out-of-bounds read (CVE-ID: CVE-2025-20688)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a local application to gain access to sensitive information.

The vulnerability exists due to an incorrect bounds check within wlan. A local application can gain access to sensitive information.


9) Heap-based Buffer Overflow (CVE-ID: CVE-2025-20680)

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

CVSSv4: 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


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.


10) Out-of-bounds read (CVE-ID: CVE-2025-20687)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 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


The vulnerability allows a local application to perform service disruption.

The vulnerability exists due to an incorrect bounds check within Bluetooth. A local application can perform service disruption.


11) Heap-based Buffer Overflow (CVE-ID: CVE-2025-20686)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within wlan. A remote attacker can trick the victim to open a specially crafted file and execute arbitrary code.


12) Heap-based Buffer Overflow (CVE-ID: CVE-2025-20685)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code.

The vulnerability exists due to an incorrect bounds check within wlan. A remote attacker can trick the victim to open a specially crafted file and execute arbitrary code.


13) Out-of-bounds write (CVE-ID: CVE-2025-20684)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 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


The vulnerability allows a local application to execute arbitrary code.

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


14) Out-of-bounds write (CVE-ID: CVE-2025-20683)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 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


The vulnerability allows a local application to execute arbitrary code.

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


15) Out-of-bounds write (CVE-ID: CVE-2025-20682)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 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:P/U:Clear


The vulnerability allows a local application to execute arbitrary code.

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


16) Out-of-bounds write (CVE-ID: CVE-2025-20681)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: 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


The vulnerability allows a local application to execute arbitrary code.

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


Remediation

Install update from vendor's website.

References