What is the CVSS score of CVE-2025-70314?

CVE-2025-70314 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 Webfsd are affected by CVE-2025-70314?

A critical buffer overflow vulnerability in webfsd 1.21 allows remote attackers to execute arbitrary code with a CVSS score of 9.8.

Is there a public PoC exploit available for CVE-2025-70314?

Yes, a public proof-of-concept exploit is available for CVE-2025-70314. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-70314?

Within 24 hours: Identify all systems running webfsd 1.21 and assess exposure (internet-facing vs. internal). Implement network segmentation to restrict access to the service. Within 7 days: Deploy a WAF with rules to block malformed filename requests; consider disabling webfsd if not business-critical. Within 30 days: Migrate to an alternative web server solution or contact the vendor for guidance on patching timelines; establish a vendor monitoring process for patch availability.

Webfsd CVE-2025-70314

CRITICAL

Classic Buffer Overflow (CWE-120)

2026-02-12 cve@mitre.org

Buffer Overflow Webfsd

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 - 22:02 vuln.today

PoC Detected

Feb 18, 2026 - 19:53 vuln.today

Public exploit code

CVE Published

Feb 12, 2026 - 20:16 nvd

CRITICAL 9.8

DescriptionCVE.org

webfsd 1.21 is vulnerable to a Buffer Overflow via a crafted request. This is due to the filename variable

AnalysisAI

Buffer overflow in webfsd 1.21 web server via crafted request targeting filename variable. PoC available.

Technical ContextAI

CWE-120 in filename handling.

RemediationAI

Update webfsd.

CVE-2025-70314 vulnerability details – vuln.today

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Webfsd CVE-2025-70314

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code