CVE-2024-0576: totolink lr1200gb_firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2024-0576 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in totolink lr1200gb_firmware. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 62.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 16-01-2024
   PublishedVulnerability first disclosed.
2. 06-06-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability was found in Totolink LR1200GB 9.1.0u.6619_B20230130. It has been declared as critical. This vulnerability affects the function setIpPortFilterRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument sPort leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250792. 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).