CVE-2026-6131 CRITICAL

CVE-2026-6131: Totolink A7100RU CGI cstecgi.cgi setTracerouteCfg os command injection

Vendor Totolink
Product A7100RU
Weakness CWE-78
Published April 12, 2026
Last update April 14, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was found in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument command results in os command injection. The attack may be launched remotely. The exploit has been made public and could be used.

Key dates

02Disclosure timeline

April 12, 2026 CVE published
April 14, 2026 Record updated