CVE-2025-13188
CRITICALD-Link DIR-816L 2_06_b09_beta - Stack-Based Buffer Overflow via Password Parameter in authenticationcgi_main
Title source: llmDescription
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.
References (5)
Core 5
Core References
Product product
https://www.dlink.com/
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.332476
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.332476
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.685538
Exploit, Third Party Advisory exploit
https://github.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(authentication.cgi).pdf
Scores
CVSS v3
9.8
EPSS
0.0035
EPSS Percentile
57.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-119
CWE-121
Status
published
Products (1)
dlink/dir-816l_firmware
2.06.b09 beta
Published
Nov 14, 2025
Tracked Since
Feb 18, 2026