CVE-2024-6963: Tenda O3 formexeCommand stack-based overflow

Vulnerability summary

CVE-2024-6963 is a high (CVSS 9.0) Stack-based Buffer Overflow vulnerability in tenda o3_firmware. EPSS estimates a 1.33% chance of exploitation in the next 30 days, higher than 70.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 22-07-2024
   PublishedVulnerability first disclosed.
2. 01-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability, which was classified as critical, has been found in Tenda O3 1.0.0.10. This issue affects the function formexeCommand. The manipulation of the argument cmdinput leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-272117 was assigned to this vulnerability. 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.