CVE-2024-0578: totolink lr1200gb_firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2024-0578 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in totolink lr1200gb_firmware. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64.4% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 16-01-2024
   PublishedVulnerability first disclosed.
2. 01-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130. Affected is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-250794 is the identifier 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).