What is CVE-2025-45514?

CVE-2025-45514 is a medium-severity vulnerability in Tenda Fh451, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2025-05-07.

How severe is CVE-2025-45514?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Tenda Fh451

CVE-2025-45514

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

Vulnerability class: Buffer Overflow

Published 2025-05-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Tenda Fh451
Tenda Fh451 Firmware — versions 1.0.0.9

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

github.com/Eu21ka/cve_report/blob/master/The_router_Tenda_FH451_V1.0.0.9_of_She… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-45514?: CVE-2025-45514 is a medium-severity vulnerability in Tenda Fh451, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2025-05-07.
How severe is CVE-2025-45514?: Medium severity. CVSS v3 base score is 6.5 out of 10.