What is CVE-2023-51954?

CVE-2023-51954 is a critical-severity vulnerability in Tenda Ax1803, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-01-10.

How severe is CVE-2023-51954?

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

Buffer overflow in Tenda Ax1803

CVE-2023-51954

Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.port parameter in the function formSetIptv.

Vulnerability class: Buffer Overflow

Published 2024-01-10 · 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: 0.007 (51.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Tenda Ax1803
Tenda Ax1803 Firmware — versions 1.0.0.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

grove-laser-8ad.notion.site/Tenda-AX1803-Buffer-Overflow-in-formSetIptv-d758f5d… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-51954?: CVE-2023-51954 is a critical-severity vulnerability in Tenda Ax1803, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-01-10.
How severe is CVE-2023-51954?: Critical severity. CVSS v3 base score is 9.8 out of 10.