CVE intelligence and bounded remediation

CVE-2025-62673 — Tp-Link Archer Ax53 Firmware security vulnerability

High CVSS 8.6

Heap-based Buffer Overflow vulnerability in TP-Link Archer AX53 v1.0 (tdpserver modules) allows adjacent attackers to cause a segmentation fault or potentially execute arbitrary code via a specially crafted network packet containing a maliciously formed field.This issue affects Archer AX53 v1.0: through 1.3.1 Build 20241120.

Severity
High
CVSS
8.6 (4.0)
Published
2026-02-03
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-122

Affected products

  • tp-link / archer_ax53_firmware / 1.0

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

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Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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