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CVE-2025-13188

Published: Nov 14, 2025

Modified: Nov 17, 2025

PUBLISHED

CVSS v3.1

9.8

CRITICAL

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.

Vendor	Product	Versions
D-Link	DIR-816L	affected `2_06_b09_beta`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-332476 | D-Link DIR-816L authentication.cgi authenticationcgi_main stack-based overflow

vdb-entry

technical-description

VDB-332476 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #685538 | D-Link DIR-816L DIR816L_REVB_FW_2_06_b09_beta Stack-based Buffer Overflow

third-party-advisory

https://github.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(authentication.cgi).pdf

exploit

https://www.dlink.com/

product

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