Totolink A7100RU CGI cstecgi.cgi setIpQosRules os command injection_CVE-2026-6156

9.3 / 10

CRITICAL

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

Description

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument Comment leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

Basic Information

ID CVE-2026-6156

Source VulDB

Published Apr 13, 2026 at 03:30

Affected Product

Vendor Totolink

Product A7100RU

Version 7.4cu.2313_b20191024

Affected Versions Totolink A7100RU 7.4cu.2313_b20191024

CWE Classification

CWE-78 CWE-77

References

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    "published": "2026-04-13T03:30:21.041Z",
    "modified": "2026-04-13T03:30:21.041Z",
    "type": "cve",
    "title": "Totolink A7100RU CGI cstecgi.cgi setIpQosRules os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/357036\nhttps://vuldb.com/vuln/357036/cti\nhttps://vuldb.com/submit/793681\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_197/README.md\nhttps://www.totolink.net/",
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