CVE-2025-13188: A vulnerability was detected in D-Link DIR-816L 2_06_b09_beta. Affected by this vulnerability is the function…
CVE-2025-13188 · Severity: critical · CVSS 9.8 · Published 2025-11-14
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 buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
No. Junglewise Threat Intelligence has no report of CVE-2025-13188 being exploited in the wild.
How severe is CVE-2025-13188?
Critical severity, with a CVSS score of 9.8, published 14 November 2025.
Which products and versions are affected?
Dlink Dir-816l, Dlink Dir-816l Firmware. The advisory does not name versions.
Is there a fix for CVE-2025-13188?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-13188?
Check whether you run Dlink Dir-816l or Dlink Dir-816l Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.