#VU117898 Use After Free in MediaTek products - CVE-2025-20743
Published: November 3, 2025
Vulnerability identifier: #VU117898
Vulnerability risk: Low
CVSSv4.0: 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-2025-20743
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
MT2718
MT6761
MT6765
MT6768
MT6886
MT6897
MT6899
MT6983
MT6989
MT6991
MT8113
MT8163
MT8168
MT8169
MT8183
MT8186
MT8188
MT8195
MT8196
MT8321
MT8365
MT8385
MT8390
MT8391
MT8512
MT8516
MT8519
MT8676
MT8678
MT8695
MT8696
MT8698
MT8755
MT8766
MT8768
MT8771
MT8775
MT8781
MT8786
MT8788E
MT8791T
MT8792
MT8793
MT8796
MT8798
MT8873
MT8883
MT8893
MT6781
MT6853
MT6877
MT6893
MT8797
MT2718
MT6761
MT6765
MT6768
MT6886
MT6897
MT6899
MT6983
MT6989
MT6991
MT8113
MT8163
MT8168
MT8169
MT8183
MT8186
MT8188
MT8195
MT8196
MT8321
MT8365
MT8385
MT8390
MT8391
MT8512
MT8516
MT8519
MT8676
MT8678
MT8695
MT8696
MT8698
MT8755
MT8766
MT8768
MT8771
MT8775
MT8781
MT8786
MT8788E
MT8791T
MT8792
MT8793
MT8796
MT8798
MT8873
MT8883
MT8893
MT6781
MT6853
MT6877
MT6893
MT8797
Software vendor:
MediaTek
MediaTek
Description
The vulnerability allows a local application to perform service disruption.
The vulnerability exists due to use after free within clkdbg. A local application can perform service disruption.
Remediation
Install security update from vendor's website.