What is the CVSS score of CVE-2025-70231?

CVE-2025-70231 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-2025-70231?

D-Link DIR-513 routers (v1.10) contain a critical vulnerability enabling attackers to bypass authentication and access sensitive files without a patch.

Is there a public PoC exploit available for CVE-2025-70231?

Yes, a public proof-of-concept exploit is available for CVE-2025-70231. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-70231?

Within 24 hours: Inventory all DIR-513 v1.10 devices and isolate affected units from production networks if possible. Within 7 days: Implement network segmentation to restrict router admin access to trusted networks only and enable WAF rules blocking /goform/getAuthCode requests with path traversal patterns. Within 30 days: Contact D-Link for patch timeline; prepare migration plan to alternative vendors if patch is not released within 60 days.

Dir 513 Firmware CVE-2025-70231

CRITICAL

Path Traversal (CWE-22)

2026-03-05 cve@mitre.org

D-Link Path Traversal Dir 513 Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/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: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 - 22:06 vuln.today

PoC Detected

Mar 06, 2026 - 17:37 vuln.today

Public exploit code

CVE Published

Mar 05, 2026 - 19:16 nvd

CRITICAL 9.8

DescriptionCVE.org

D-Link DIR-513 version 1.10 contains a critical-level vulnerability. When processing POST requests related to verification codes in /goform/formLogin, it enters /goform/getAuthCode but fails to filter the value of the FILECODE parameter, resulting in a path traversal vulnerability.