CVE-2026-6114 CRITICAL

CVE-2026-6114: Totolink A7100RU CGI cstecgi.cgi setNetworkCfg 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 detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setNetworkCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument proto results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used.

Key dates

02Disclosure timeline

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