Vulnerability · Published Feb 20, 2026 · Assigned by VulDB

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

High 8.8

In plain English

A high-severity stack buffer overflow in DWR-M960 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.0%top 36.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DWR-M960	1.01.07

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-347096 | D-Link DWR-M960 Port Forwarding Configuration Endpoint formPortFw sub_423E00 stack-based overflow vdb-entry, technical-description
VDB-347096 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #754476 | D-Link DWR-M960 V1.01.07 Stack-based Buffer Overflow third-party-advisory
https://github.com/LX-66-LX/cve-new/issues/14 exploit, issue-tracking
https://www.dlink.com/ product