What is CVE-2023-51962?

CVE-2023-51962 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-2023-51962?

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

Buffer overflow in Tenda Ax1803

CVE-2023-51962

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

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 (52.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% 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-setIptvInfo-944beaf… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-51962?: CVE-2023-51962 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-2023-51962?: Critical severity. CVSS v3 base score is 9.8 out of 10.