Buffer overflow in D-link Dir-816l

CVE-2025-13188

A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Affected by this vulnerability is the function authenticationcgi_main of the file /authentication.cgi. Performing manipulation of the argument Password results in stack-based b…

Vulnerability class: Buffer Overflow

EPSS: 0.022 (80.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13188?
CVE-2025-13188 is a critical-severity vulnerability in D-link Dir-816l, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-11-14.
How severe is CVE-2025-13188?
Critical severity. CVSS v3 base score is 9.8 out of 10.