CVE-2025-2095: totolink ex1800t_firmware Command Injection

Vulnerability summary

CVE-2025-2095 is a critical (CVSS 9.8) Command Injection vulnerability in totolink ex1800t_firmware. EPSS estimates a 2.78% chance of exploitation in the next 30 days, higher than 86.2% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 07-03-2025
   PublishedVulnerability first disclosed.
2. 07-03-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability classified as critical has been found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to os command injection. It is possible to initiate the attack 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.