Buffer overflow in Tenda I24

CVE-2025-3802

A vulnerability was found in Tenda W12 and i24 3.0.0.4(2887)/3.0.0.5(3644). It has been declared as critical. This vulnerability affects the function cgiPingSet of the file /bin/httpd. The manipulation of the argument pingIP leads to stack-based buffer overflow. The attack can 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: 0.011 (63.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.5% 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-2025-3802: held from 0.010 to 0.011.

EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-3802?
CVE-2025-3802 is a high-severity vulnerability in Tenda I24, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-04-19.
How severe is CVE-2025-3802?
High severity. CVSS v3 base score is 8.8 out of 10.