CVE-2025-13551 HIGH

CVE-2025-13551: D-Link DIR-822K/DWR-M920 formWanConfigSetup buffer overflow

Vendor D-Link
Product DIR-822K
Weakness CWE-120
Published November 23, 2025
Last update November 24, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was identified in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. The affected element is an unknown function of the file /boafrm/formWanConfigSetup. The manipulation of the argument submit-url leads to buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

Key dates

02Disclosure timeline

November 23, 2025 CVE published
November 24, 2025 Record updated