What is CVE-2025-69762?

CVE-2025-69762 is a critical-severity vulnerability in Tenda Ax3, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-01-21.

How severe is CVE-2025-69762?

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

Buffer overflow in Tenda Ax3

CVE-2025-69762

Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the list parameter, which can cause memory corruption and enable remote code execution.

Vulnerability class: Buffer Overflow

Published 2026-01-21 · 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: 0.009 (58.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.3% 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: 0.009 · change: +0.001

Affected products

Tenda Ax3
Tenda Ax3 Firmware — versions 16.03.12.11

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

river-brow-763.notion.site/Tenda-AX3-Buffer-Overflow-in-formSetIptv-2c9a595a7ae… (Exploit, Third Party Advisory)
river-brow-763.notion.site/Tenda-AX3-Buffer-Overflow-in-formSetIptv-2c9a595a7ae… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-69762?: CVE-2025-69762 is a critical-severity vulnerability in Tenda Ax3, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-01-21.
How severe is CVE-2025-69762?: Critical severity. CVSS v3 base score is 9.8 out of 10.