CVE-2026-2857 HIGH

CVE-2026-2857: D-Link DWR-M960 Port Forwarding Configuration Endpoint formPortFw sub_423E00 stack-based overflow

Vendor D-Link
Product DWR-M960
Weakness CWE-121
Published February 20, 2026
Last update February 24, 2026

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 determined in D-Link DWR-M960 1.01.07. Affected by this issue is the function sub_423E00 of the file /boafrm/formPortFw of the component Port Forwarding Configuration Endpoint. This manipulation of the argument submit-url causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Key dates

02Disclosure timeline

February 20, 2026 CVE published
February 24, 2026 Record updated