CVE-2026-5997 CRITICAL

CVE-2026-5997: Totolink A7100RU CGI cstecgi.cgi setLoginPasswordCfg os command injection

Vendor Totolink
Product A7100RU
Weakness CWE-78
Published April 10, 2026
Last update April 10, 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. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

Key dates

02Disclosure timeline

April 10, 2026 CVE published
April 10, 2026 Record updated