Lyrie
Critical CVE
CVSS 9.83 sources verified·1 min read
By Lyrie Threat Intelligence·4/27/2026

CRITICAL: CVE-2026-7124 (CVSS 9.8) — multiple products

CVE: CVE-2026-7124

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 determined in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument addrPrefixLen can lead to os command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Verified Sources

References

  • https://github.com/Litengzheng/vuldb_new2/tree/main/A8000RU/vul_309/README.md
  • https://vuldb.com/submit/801005
  • https://vuldb.com/vuln/359723
  • https://vuldb.com/vuln/359723/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.

Validated sources

  1. [1]NVD
  2. [2]GitHub Advisory
  3. [3]MITRE