Buffer overflow in Tenda O3

CVE-2025-7422

A vulnerability classified as critical has been found in Tenda O3V2 1.0.0.12(3880). Affected is the function setAutoReboot of the file /goform/setNetworkService of the component httpd. The manipulation of the argument week leads to stack-b…

Vulnerability class: Buffer Overflow

EPSS: 0.008 (50.7th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-7422?
CVE-2025-7422 is a high-severity vulnerability in Tenda O3, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-07-11.
How severe is CVE-2025-7422?
High severity. CVSS v3 base score is 8.8 out of 10.