CVE-2026-9455

CriticalCVSS 9.8

Published: 25/05/2026(UTC)Updated: 23/07/2026(UTC)Translated: 24/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

High risk

1.91%

78th percentile - higher than 78% of all known CVEs

Summary

In the Totolink A8000RU web management interface, the UploadOpenVpnCert function is vulnerable to OS command injection via the FileName argument.

Risk Assessment

A remote attacker can execute arbitrary commands on the router, leading to full device compromise.

Recommendation

Update the router firmware and restrict access to the management interface.

Original NVD description (English source)

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This issue affects the function UploadOpenVpnCert of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument FileName leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.