CVE-2026-9475 CRITICAL

CVE-2026-9475: Totolink A8000RU Web Management cstecgi.cgi setIpQosRules os command injection

Vendor Totolink
Product A8000RU
Weakness CWE-78
Published May 25, 2026
Last update May 26, 2026
View on NVD All CVEs

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 determined in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument Comment causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Key dates

02Disclosure timeline

May 25, 2026 CVE published
May 26, 2026 Record updated