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 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.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.024 (83.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- D-Link Dir-816l — versions 2_06_b09_beta
- Dlink Dir-816l
- Dlink Dir-816l Firmware — versions 2.06.b09
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/scanleale/IOT_sec/blob/main/DIR-816L stack overflow(authentication.c… (Exploit, Third Party Advisory, exploit)
- www.dlink.com/ (Product, product)
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.