CVE-2026-6131

CRITICAL

Totolink A7100RU CGI cstecgi.cgi setTracerouteCfg os command injection

Title source: cna

Description

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.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/356995

[Signature, Permissions Required] https://vuldb.com/vuln/356995/cti

[Third Party Advisory] https://vuldb.com/submit/792251

[Exploit] https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_182/README.md

View Exploit ZIP pw:eip

[Product] https://www.totolink.net/

Scores

CVSS v3 9.8

EPSS 0.0125

EPSS Percentile 79.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE

CWE-77 CWE-78

Status published

Products (1)

Totolink/A7100RU 7.4cu.2313_b20191024

Published Apr 12, 2026

Tracked Since Apr 13, 2026