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CVE-2025-13188

D-Link DIR-816L authentication.cgi authenticationcgi_main stack-based overflow

CVSS 9.3 CRITICALEPSS 2.2%CWE-119CWE-121
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
D-Link · DIR-816L
public PoCs found — 1
cve_referencegithub.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(authentication.cgi).pdfunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(authentication.cgi).pdfhttps://vuldb.com/?ctiid.332476https://vuldb.com/?id.332476https://vuldb.com/?submit.685538https://www.dlink.com/