CVE-2025-13188

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

Published Nov 14, 2025 CVSS 4.0 · 9.3 Critical EPSS 2.4% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Dlink
Dlink dir-816l
Dlink dir-816l Firmware
CPEs cpe:2.3:h:dlink:dir-816l:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dir-816l_firmware:2.06.b09:beta:*:*:*:*:*:*
Vendors & Products Dlink
Dlink dir-816l
Dlink dir-816l Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared D-link
D-link dir-816l
Vendors & Products D-link
D-link dir-816l
Type Values Removed Values Added
Description 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.
Title D-Link DIR-816L authentication.cgi authenticationcgi_main stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:W/RC:UR'}

cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:W/RC:R'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Nov 17, 2025, 8:43 PM
Reserved
Nov 14, 2025, 1:06 PM
Status
Analyzed
Published
Nov 14, 2025, 11:15 PM
Modified
Oct 18, 2026, 8:10 PM