Buffer overflow in Tenda Fh451

CVE-2025-7853

A vulnerability was found in Tenda FH451 1.0.0.9. It has been rated as critical. This issue affects the function fromSetIpBind of the file /goform/SetIpBind. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-7853: held from 0.008 to 0.010.

EPSS over last 30 days · oldest: 0.008 · newest: 0.010 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-7853?
CVE-2025-7853 is a high-severity vulnerability in Tenda Fh451, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-07-19.
How severe is CVE-2025-7853?
High severity. CVSS v3 base score is 8.8 out of 10.