CVE-2026-9388 CRITICAL

CVE-2026-9388: Totolink A8000RU Web Management cstecgi.cgi setScheduleCfg os command injection

Vendor Totolink
Product A8000RU
Weakness CWE-78
Published May 24, 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 weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setScheduleCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument mode can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

Key dates

02Disclosure timeline

May 24, 2026 CVE published
May 26, 2026 Record updated