What is CVE-2023-24212?

CVE-2023-24212 is a critical-severity vulnerability in Tenda Ax3, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-02-23.

How severe is CVE-2023-24212?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Tenda Ax3

CVE-2023-24212

Tenda AX3 V16.03.12.11 was discovered to contain a stack overflow via the timeType function at /goform/SetSysTimeCfg.

Vulnerability class: Buffer Overflow

Published 2023-02-23 · last modified 2026-06-17.

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: 0.011 (63.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Tenda Ax3
Tenda Ax3 Firmware — versions 16.03.12.11

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

github.com/w0x68y/cve-lists/blob/main/Tenda/vuln/readme.md (Exploit, Third Party Advisory)
github.com/Venus-WQLab/bug_report/blob/main/Tenda/CVE-2023-24212.md

Frequently asked questions

What is CVE-2023-24212?: CVE-2023-24212 is a critical-severity vulnerability in Tenda Ax3, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-02-23.
How severe is CVE-2023-24212?: Critical severity. CVSS v3 base score is 9.8 out of 10.