What is the CVSS score of CVE-2025-70222?

CVE-2025-70222 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-2025-70222?

A critical stack buffer overflow vulnerability (CVE-2025-70222) affects D-Link DIR-513 v1.10 devices with a CVSS score of 9.8, enabling remote code execution without authentication.

Is there a public PoC exploit available for CVE-2025-70222?

Yes, a public proof-of-concept exploit is available for CVE-2025-70222. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-70222?

Within 24 hours: Inventory all D-Link DIR-513 v1.10 devices across the organization and isolate affected units from production networks if possible; disable remote management access to these devices immediately. Within 7 days: Deploy network segmentation to restrict traffic to/from affected devices; implement WAF rules blocking requests to /goform/formLogin and /goform/getAuthCode endpoints; monitor for exploitation attempts. Within 30 days: Replace affected DIR-513 v1.10 devices with patched hardware or alternative vendors; conduct forensic review of affected systems for signs of compromise.

Dir 513 Firmware CVE-2025-70222

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2026-03-04 cve@mitre.org

D-Link Buffer Overflow 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 - 22:05 vuln.today

PoC Detected

Mar 06, 2026 - 17:38 vuln.today

Public exploit code

CVE Published

Mar 04, 2026 - 22:16 nvd

CRITICAL 9.8

DescriptionCVE.org

Stack buffer overflow vulnerability in D-Link DIR-513 v1.10 via the curTime parameter to goform/formLogin,goform/getAuthCode.

AnalysisAI

Stack buffer overflow in D-Link DIR-513 v1.10 via the curTime parameter to goform/formLogin,goform/getAuthCode. Part of a family of 15+ critical buffer overflows in this router.