CVE-2024-6402: Tenda A301 SetOnlineDevName fromSetWirelessRepeat stack-based overflow

Vulnerability summary

CVE-2024-6402 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in tenda a301_firmware. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 62.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 28-06-2024
   PublishedVulnerability first disclosed.
2. 01-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability classified as critical was found in Tenda A301 15.13.08.12. Affected by this vulnerability is the function fromSetWirelessRepeat of the file /goform/SetOnlineDevName. The manipulation of the argument devName leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-269947. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.