CRITICAL: CVE-2026-7154 (CVSS 9.8) — multiple products

CVE: CVE-2026-7154

CVSS: 9.8 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: CRITICAL

Status: Critical advisory

Affected

_See vendor advisory_

Summary

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument tty_server can lead to os command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Verified Sources

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_318/README.md
https://vuldb.com/submit/801140
https://vuldb.com/vuln/359753
https://vuldb.com/vuln/359753/cti
https://www.totolink.net/

_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._

Lyrie Verdict

A vulnerability of this severity is exactly what Lyrie's anti-rogue-AI defense is built for: continuous, autonomous monitoring that doesn't wait for human reaction time.

#critical