CVE-2025-7154: totolink n200re_firmware Command Injection

Vulnerability summary

CVE-2025-7154 is a high (CVSS 8.8) Command Injection vulnerability in totolink n200re_firmware. EPSS estimates a 2.36% chance of exploitation in the next 30 days, higher than 83.6% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 08-07-2025
   PublishedVulnerability first disclosed.
2. 08-07-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability, which was classified as critical, has been found in TOTOLINK N200RE 9.3.5u.6095_B20200916/9.3.5u.6139_B20201216. Affected by this issue is the function sub_41A0F8 of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument Hostname leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
• 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.