What is CVE-2026-51680?

CVE-2026-51680 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-2026-51680?

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

Vulnerability in N/a

CVE-2026-51680

Incorrect access control in the setLedCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to modify LED behavior 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:H/A:N.

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-2026-51680?: CVE-2026-51680 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-2026-51680?: Critical severity. CVSS v3 base score is 9.1 out of 10.