What is CVE-2025-69764?

CVE-2025-69764 is a critical-severity vulnerability in Tenda Ax3, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-01-22.

How severe is CVE-2025-69764?

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

Buffer overflow in Tenda Ax3

CVE-2025-69764

Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the stbpvid stack buffer, which may result in memory corruption and remote code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (58.5th percentile) — read the EPSS interpretation.

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.

Affected products

Tenda Ax3
Tenda Ax3_firmware — versions 16.03.12.11
N/a — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-69764?: CVE-2025-69764 is a critical-severity vulnerability in Tenda Ax3, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-01-22.
How severe is CVE-2025-69764?: Critical severity. CVSS v3 base score is 9.8 out of 10.