CVE-2024-0296: totolink n200re_firmware OS Command Injection

Vulnerability summary

CVE-2024-0296 is a critical (CVSS 9.8) OS Command Injection vulnerability in totolink n200re_firmware. EPSS estimates a 3.83% chance of exploitation in the next 30 days, higher than 90% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 08-01-2024
   PublishedVulnerability first disclosed.
2. 17-04-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability has been found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. This vulnerability affects the function NTPSyncWithHost of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument host_time leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-249862 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.