CRITICAL: CVE-2026-5997 (CVSS 9.8) — multiple products

CVE: CVE-2026-5997

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 vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

Verified Sources

References

https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_169/README.md
https://vuldb.com/submit/792045
https://vuldb.com/vuln/356551
https://vuldb.com/vuln/356551/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