CVE-2025-69766 — CRITICAL (9.8)

Vulnerability Description

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

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tenda	Ax3 Firmware	16.03.12.11
Tenda	Ax3	-

Related Weaknesses (CWE)

CWE-121

References

https://river-brow-763.notion.site/Tenda-AX3-Buffer-Overflow-in-formGetIptv-2c9aExploitThird Party Advisory
https://river-brow-763.notion.site/Tenda-AX3-Buffer-Overflow-in-formGetIptv-2c9aExploitThird Party Advisory

FAQ

What is CVE-2025-69766?

CVE-2025-69766 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Tenda AX3 firmware v16.03.12.11 contains a stack-based buffer overflow in the formGetIptv function due to improper handling of the citytag stack buffer, which may result in memory corruption and remot...

How severe is CVE-2025-69766?

CVE-2025-69766 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-69766?

Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ax3 Firmware, Tenda Ax3.