PublicCVE

CVE-2026-6156

CRITICAL9.3JSON exportCreate alert

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.

CVSS breakdown

CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
E
Physical
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
E
Physical
RL
X
RC
Required