CVE-2026-1547 MEDIUM

CVE-2026-1547: Totolink A7000R cstecgi.cgi setUnloadUserData command injection

Vendor Totolink
Product A7000R
Weakness CWE-77
Published January 28, 2026
Last update February 23, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

Key dates

02Disclosure timeline

January 28, 2026 CVE published
February 23, 2026 Record updated