Integer Overflow Vulnerability in MediaTek WLAN Firmware
CVE-2023-20691

7.5HIGH

Key Information:

Vendor
MediaTek
Status
Mt6739, Mt8167, Mt8321, Mt8365, Mt8385, Mt8666, Mt8765, Mt8788
Vendor
CVE Published:
4 July 2023

Summary

An integer overflow vulnerability exists in MediaTek WLAN firmware, which may result in a system crash. This vulnerability allows for a remote denial of service, requiring no special execution privileges or user interaction, making it particularly concerning for users relying on efficient and stable wireless communication.

Affected Version(s)

MT6739, MT8167, MT8321, MT8365, MT8385, MT8666, MT8765, MT8788 Android 11.0, 12.0 / IOT-v23.0 (Yocto 4.0)

References

https://corp.mediatek.com/product-security-bulletin/July-...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.