CVE-2026-6156

Totolink A7100RU CGI cstecgi.cgi setIpQosRules os command injection

Published: Apr 13, 2026Updated: Apr 27, 2026 Sources: CVE List NVD BDUCWE-77

9.8CRITICAL

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-77 CWE-78

Affected Products

TOTOLink

commercial·TWaka totolink corp.

A7100RU

Networking Infrastructure

and 1 more affected products View all →

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Execution

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References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_197/README.md

github.com

https://vuldb.com/vuln/357036

vuldb.com

https://vuldb.com/vuln/357036/cti

vuldb.com

and 2 more references View all →

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