Remote Denial of Service Vulnerability in MediaTek WLAN Firmware
CVE-2023-20693

7.5HIGH

Key Information:

Vendor
MediaTek
Status
Mt6739, Mt6895, Mt6983, Mt8167, Mt8168, Mt8195, Mt8321, Mt8365, Mt8385, Mt8666, Mt8765, Mt8781, Mt8788
Vendor
CVE Published:
4 July 2023

Summary

A vulnerability exists in MediaTek's WLAN firmware that may cause a system crash due to an uncaught exception, leading to a potential remote denial of service. This issue can be exploited without requiring any user interaction, making it a significant concern for affected users. Affected systems might experience downtime or instability, impacting network operations significantly. Users are advised to apply the available patches to mitigate this vulnerability.

Affected Version(s)

MT6739, MT6895, MT6983, MT8167, MT8168, MT8195, MT8321, MT8365, MT8385, MT8666, MT8765, MT8781, 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

.