What is CVE-2024-28383?

CVE-2024-28383 is a critical-severity vulnerability in Tenda Ax12, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2024-03-14.

How severe is CVE-2024-28383?

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

Is CVE-2024-28383 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tenda Ax12

CVE-2024-28383

Tenda AX12 v1.0 v22.03.01.16 was discovered to contain a stack overflow via the ssid parameter in the sub_431CF0 function.

Vulnerability class: Buffer Overflow

Published 2024-03-14 · 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: 0.008 (55.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.5% 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 22.03.01.16_cn

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

github.com/cvdyfbwa/IoT-Tenda-Router/blob/main/sub_431CF0.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-28383?: CVE-2024-28383 is a critical-severity vulnerability in Tenda Ax12, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2024-03-14.
How severe is CVE-2024-28383?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-28383 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.