CVE-2026-9407

critical

Published 2026-05-25 · Modified 2026-05-26

CVSS v3

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2

10.0

VIR risk

9.8

Description

A security vulnerability has been detected in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setFirewallType of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument firewallType leads to os command injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_339/README.md
https://vuldb.com/submit/813442
https://vuldb.com/vuln/365388
https://vuldb.com/vuln/365388/cti
https://www.totolink.net/

CWEs

CWE-77 CWE-78

Verify integrity in audit chain (admin only). AS-IS.