Heap-based Buffer Overflow Vulnerability in TP-Link Archer AX53 Router
CVE-2025-61944

7.3HIGH

Key Information:

Vendor

Tp-link Systems Inc.

Status
Archer Ax53 V1.0
Vendor
CVE Published:
3 February 2026

What is CVE-2025-61944?

A heap-based buffer overflow vulnerability in the TP-Link Archer AX53 (v1.0) arises from how the tmpserver module handles network packets. Authenticated adjacent attackers can exploit this vulnerability by sending specially crafted packets containing an excessive number of fields with zero-length values, resulting in potential segmentation faults or arbitrary code execution. This affects Archer AX53 versions through 1.3.1 Build 20241120, highlighting the need for prompt updates and security measures.

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Deploy the Patch

Affected Version(s)

Archer AX53 v1.0 0 <= 1.3.1 Build 20241120

References

https://talosintelligence.com/vulnerability_reports/
https://www.tp-link.com/en/support/download/archer-ax53/v...
patch
https://www.tp-link.com/my/support/download/archer-ax53/v...
patch

CVSS V4

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lilith >_> of Cisco Talos
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