Buffer overflow in Tenda Wh450

CVE-2025-14879

A weakness has been identified in Tenda WH450 1.0.0.18. Affected is an unknown function of the file /goform/onSSIDChange of the component HTTP Request Handler. This manipulation of the argument ssid_index causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.067 (93.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.7% 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-2025-14879: held from 0.067 to 0.067.

EPSS over last 30 days · oldest: 0.067 · newest: 0.067 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-14879?
CVE-2025-14879 is a critical-severity vulnerability in Tenda Wh450, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-12-18.
How severe is CVE-2025-14879?
Critical severity. CVSS v3 base score is 9.8 out of 10.