CVE-2024-2488: Tenda AC18 SetPptpServerCfg formSetPPTPServer stack-based overflow

Vulnerability summary

CVE-2024-2488 is a high (CVSS 9.0) Stack-based Buffer Overflow vulnerability in tenda ac18_firmware. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.6% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 15-03-2024
   PublishedVulnerability first disclosed.
2. 21-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability was found in Tenda AC18 15.03.05.05. It has been rated as critical. This issue affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg. The manipulation of the argument startIP 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 associated identifier of this vulnerability is VDB-256895. 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.