What is the CVSS score of CVE-2026-2857?

CVE-2026-2857 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Dwr M960 Firmware are affected by CVE-2026-2857?

A high-severity vulnerability (CVSS 8.8) exists in D-Link DWR-M960 routers that allows attackers to manipulate port forwarding configurations, potentially enabling unauthorized network access and…

Is there a public PoC exploit available for CVE-2026-2857?

Yes, a public proof-of-concept exploit is available for CVE-2026-2857. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-2857?

Within 24 hours: Identify and inventory all D-Link DWR-M960 devices running firmware 1.01.07 in your environment; isolate affected devices from production networks if possible and restrict administrative access. Within 7 days: Implement network segmentation to limit the device's exposure and disable port forwarding functionality if operationally feasible; escalate to D-Link for emergency patch timeline and consider device replacement planning. Within 30 days: Deploy replacement devices or apply vendor patch immediately upon availability; conduct network forensics to detect any unauthorized port forwarding rules or suspicious access patterns.

Dwr M960 Firmware CVE-2026-2857

HIGH

Buffer Overflow (CWE-119)

2026-02-20 cna@vuldb.com

D-Link Buffer Overflow Stack Overflow Dwr M960 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

PoC Detected

Feb 23, 2026 - 20:26 vuln.today

Public exploit code

CVE Published

Feb 20, 2026 - 21:19 nvd

HIGH 8.8

DescriptionCVE.org

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.

AnalysisAI

Stack-based buffer overflow in D-Link DWR-M960 firmware version 1.01.07 allows authenticated remote attackers to achieve complete system compromise through the Port Forwarding Configuration endpoint. The vulnerability exists in the submit-url parameter processing and has public exploit code available. …

Unlock full vulnerability intelligence

Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
Personal watchlist & email alerts

Continue with Google Continue with GitHub

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Authenticate to D-Link DWR-M960 web interface

Delivery

Access Port Forwarding Configuration endpoint

Exploit

Submit oversized submit-url parameter

Execution

Overflow stack buffer in sub_423E00

Impact

Execute arbitrary code with device privileges

Access

Authenticate to D-Link DWR-M960 web interface

Delivery

Access Port Forwarding Configuration endpoint

Exploit

Submit oversized submit-url parameter

Execution

Overflow stack buffer in sub_423E00

Impact

Execute arbitrary code with device privileges

Vulnerability AssessmentAI

Exploitation	D-Link DWR-M960 firmware version 1.01.07 with Port Forwarding Configuration endpoint accessible. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this vulnerability to compromise the affected system.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify and inventory all D-Link DWR-M960 devices running firmware 1.01.07 in your environment; isolate affected devices from production networks if possible and restrict administrative access. …

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2026-2857 vulnerability details – vuln.today

Back

Dwr M960 Firmware CVE-2026-2857

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Unlock full vulnerability intelligence

Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

Share

External POC / Exploit Code