CVE-2024-0999: totolink n200re_firmware Stack-based Buffer Overflow

Vulnerability summary

CVE-2024-0999 is a high (CVSS 8.8) Stack-based Buffer Overflow vulnerability in totolink n200re_firmware. EPSS estimates a 1.49% chance of exploitation in the next 30 days, higher than 73.7% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 29-01-2024
   PublishedVulnerability first disclosed.
2. 23-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. This vulnerability affects the function setParentalRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument eTime 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-252268. 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).