What is the CVSS score of CVE-2026-2855?

CVE-2026-2855 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-2026-2855?

A critical vulnerability in D-Link DWR-M960 routers allows unauthenticated remote attackers to compromise DDNS settings, potentially enabling network redirection attacks, credential theft, or lateral…

Is there a public PoC exploit available for CVE-2026-2855?

Yes, a public proof-of-concept exploit is available for CVE-2026-2855. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-2855?

Within 24 hours: Identify all DWR-M960 devices (1.01.07) in your network and document their location and business purpose. Within 7 days: Implement network segmentation to restrict administrative access to these devices and disable DDNS functionality if not operationally critical. Within 30 days: Replace affected devices with patched alternatives or secure models, or continuously monitor D-Link security advisories for patch availability and apply immediately upon release.

Dwr M960 Firmware CVE-2026-2855

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 - 20:27 vuln.today

Public exploit code

CVE Published

Feb 20, 2026 - 20:25 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability has been found in D-Link DWR-M960 1.01.07. Affected is the function sub_4648F0 of the file /boafrm/formDdns of the component DDNS Settings Handler. The manipulation of the argument submit-url leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

Stack-based buffer overflow in D-Link DWR-M960 firmware's DDNS settings handler allows authenticated remote attackers to achieve complete system compromise through a malicious submit-url parameter. Public exploit code exists for this vulnerability, and no patch is currently 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 DDNS Settings handler at /boafrm/formDdns

Exploit

Submit crafted submit-url parameter

Execution

Trigger stack buffer overflow in sub_4648F0

Impact

Execute arbitrary code with device privileges

Access

Authenticate to D-Link DWR-M960 web interface

Delivery

Access DDNS Settings handler at /boafrm/formDdns

Exploit

Submit crafted submit-url parameter

Execution

Trigger stack buffer overflow in sub_4648F0

Impact

Execute arbitrary code with device privileges

Vulnerability AssessmentAI

Exploitation	D-Link DWR-M960 firmware version 1.01.07 with DDNS Settings Handler enabled; attacker must possess valid authentication credentials for web administration interface; vulnerable function sub_4648F0 processes submit-url parameter without bounds checking 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 flaw, stack-based buffer overflow.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all DWR-M960 devices (1.01.07) in your network and document their location and business purpose. …

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

CVE-2026-2855 vulnerability details – vuln.today

Back

Dwr M960 Firmware CVE-2026-2855

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