What is the CVSS score of CVE-2025-45514?

CVE-2025-45514 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.3%.

Which versions of Fh451 Firmware are affected by CVE-2025-45514?

Organizations using Tenda FH451 V1.0.0.9 should be aware of notable risk from CVE-2025-45514, a stack-based buffer overflow vulnerability rated CVSS 6.5.

Is there a public PoC exploit available for CVE-2025-45514?

Yes, a public proof-of-concept exploit is available for CVE-2025-45514. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2025-45514?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Fh451 Firmware CVE-2025-45514

MEDIUM

Stack-based Buffer Overflow (CWE-121)

2025-05-07 cve@mitre.org

Buffer Overflow Stack Overflow Tenda Fh451 Firmware

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:40 vuln.today

PoC Detected

May 27, 2025 - 14:22 vuln.today

Public exploit code

CVE Published

May 07, 2025 - 19:16 nvd

MEDIUM 6.5

DescriptionCVE.org

Tenda FH451 V1.0.0.9 has a stack overflow vulnerability in the function.frmL7ImForm.

AnalysisAI

Tenda FH451 V1.0.0.9 has a stack overflow vulnerability in the function.frmL7ImForm. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. Tenda FH451 V1.0.0.9 has a stack overflow vulnerability in the function.frmL7ImForm. Affected products include: Tenda Fh451 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.