Is CVE-2026-9408 actively exploited?

No active exploitation of CVE-2026-9408 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-9408 be exploited remotely?

Yes. CVE-2026-9408 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-9408?

CVE-2026-9408 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2026-9408

CRITICAL

CVE-2026-9408

CWE-77Published: May 25, 2026· Updated: May 26, 2026

9.8

CVSS v3.1

EPSS:0.89%probability of exploitation in 30 daysPercentile:75.8th

Official Description

A vulnerability was detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this issue is the function setStaticDhcpRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument enable results in os command injection. The attack may be performed from remote. The exploit is now public and may be used.

NVD Source

Technical Analysis

CVE-2026-9408 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.