What is CVE-2026-51679?

CVE-2026-51679 is a critical-severity vulnerability in N/a, classified under Improper Access Control. CVSS score: 9.1/10. Published 2026-08-31.

How severe is CVE-2026-51679?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in N/a

CVE-2026-51679

Incorrect access control in the setPasswordCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to change the administrator account via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

cve@mitre.org
cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-51679?: CVE-2026-51679 is a critical-severity vulnerability in N/a, classified under Improper Access Control. CVSS score: 9.1/10. Published 2026-08-31.
How severe is CVE-2026-51679?: Critical severity. CVSS v3 base score is 9.1 out of 10.