CVE-2024-1783: totolink lr1200gb_firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2024-1783 is a high (CVSS 10.0) Stack-based Buffer Overflow vulnerability in totolink lr1200gb_firmware. EPSS estimates a 2.03% chance of exploitation in the next 30 days, higher than 80.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 23-02-2024
   PublishedVulnerability first disclosed.
2. 12-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability classified as critical has been found in Totolink LR1200GB 9.1.0u.6619_B20230130/9.3.5u.6698_B20230810. Affected is the function loginAuth of the file /cgi-bin/cstecgi.cgi of the component Web Interface. The manipulation of the argument http_host 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-254574 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).