What is CVE-2022-45979?

CVE-2022-45979 is a high-severity vulnerability in Tenda Ax12, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-12-12.

How severe is CVE-2022-45979?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Tenda Ax12

CVE-2022-45979

Tenda AX12 v22.03.01.21_CN was discovered to contain a stack overflow via the ssid parameter at /goform/fast_setting_wifi_set .

Vulnerability class: Buffer Overflow

Published 2022-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Tenda Ax12
Tenda Ax12 Firmware — versions 22.03.01.21_cn

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/The-Itach1/IOT-CVE/tree/master/Tenda/AX12/4 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-45979?: CVE-2022-45979 is a high-severity vulnerability in Tenda Ax12, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-12-12.
How severe is CVE-2022-45979?: High severity. CVSS v3 base score is 7.5 out of 10.