What is the CVSS score of CVE-2025-46108?

CVE-2025-46108 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Dir 513 Firmware are affected by CVE-2025-46108?

D-Link DIR-513 A1FW110 routers contain a critical buffer overflow vulnerability (CVE-2025-46108) with a 9.8 CVSS score and active public exploits.

Is there a public PoC exploit available for CVE-2025-46108?

Yes, a public proof-of-concept exploit is available for CVE-2025-46108. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-46108?

Within 24 hours: Identify and inventory all D-Link DIR-513 A1FW110 devices in production environments and isolate affected units from critical network segments. Within 7 days: Implement network segmentation to restrict administrative access to these devices and disable remote management if operationally feasible. Within 30 days: Replace affected devices with alternative router models from vendors with active security support, or contact D-Link for extended security guidance and potential future patch availability.

Dir 513 Firmware CVE-2025-46108

CRITICAL

Classic Buffer Overflow (CWE-120)

2026-03-04 cve@mitre.org

Buffer Overflow D-Link Dir 513 Firmware

9.8

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:05 vuln.today

PoC Detected

Mar 06, 2026 - 20:13 vuln.today

Public exploit code

CVE Published

Mar 04, 2026 - 21:16 nvd

CRITICAL 9.8

DescriptionNVD

D-link Dir-513 A1FW110 is vulnerable to Buffer Overflow in the function formTcpipSetup.

AnalysisAI

D-link Dir-513 A1FW110 is vulnerable to Buffer Overflow in the function formTcpipSetup. [CVSS 9.8 CRITICAL]

Technical ContextAI

Classified as CWE-120 (Classic Buffer Overflow). Affects the the component of Dir-513 Firmware. D-link Dir-513 A1FW110 is vulnerable to Buffer Overflow in the function formTcpipSetup.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.