Stack-Based Buffer Overflow in Tenda AX3 Firmware
CVE-2025-69766

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
AX3 firmware
Vendor
CVE Published:
21 January 2026

What is CVE-2025-69766?

The Tenda AX3 firmware version 16.03.12.11 contains a vulnerability in the formGetIptv function, characterized by a stack-based buffer overflow caused by inadequate handling of the citytag stack buffer. This oversight can lead to significant memory corruption and may allow an attacker to execute arbitrary code remotely, posing serious security risks to affected systems.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

References

https://river-brow-763.notion.site/Tenda-AX3-Buffer-Overf...
https://river-brow-763.notion.site/Tenda-AX3-Buffer-Overf...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.