Stack-Based Buffer Overflow in Tenda AX3 Firmware
CVE-2025-69764

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
AX3 Firmware
Vendor
CVE Published:
22 January 2026

What is CVE-2025-69764?

A buffer overflow vulnerability has been identified in Tenda AX3 firmware v16.03.12.11, specifically within the formGetIptv function. This issue arises from inadequate management of the stbpvid stack buffer, potentially leading to memory corruption and allowing attackers to execute arbitrary code remotely. This poses significant security risks to users of the affected firmware, highlighting the importance of timely updates and vulnerability management.

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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

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