What is the CVSS score of CVE-2025-62673?

CVE-2025-62673 has a CVSS 3.1 base score of 8.0 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Archer Ax53 Firmware are affected by CVE-2025-62673?

A critical heap-based buffer overflow vulnerability affects TP-Link Archer AX53 wireless routers (versions 1.0-1.3.1), potentially allowing attackers on the same network to crash devices or execute…

How to fix or mitigate CVE-2025-62673?

Within 24 hours: Identify all Archer AX53 v1.0-1.3.1 devices in your network inventory and isolate them from untrusted network segments if possible. Within 7 days: Implement network segmentation to restrict access to affected routers to authorized administrators only; disable UPnP and remote management features if not essential. Within 30 days: Contact TP-Link support for patch availability and develop a replacement strategy; evaluate alternative router models with active security support and plan firmware upgrade or hardware replacement timeline.

Archer Ax53 Firmware CVE-2025-62673

HIGH

Heap-based Buffer Overflow (CWE-122)

2026-02-03 f23511db-6c3e-4e32-a477-6aa17d310630

RCE Buffer Overflow Heap Overflow TP-Link Archer Ax53 Firmware

8.0

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Feb 03, 2026 - 19:16 nvd

HIGH 8.0

DescriptionNVD

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.

AnalysisAI

Technical ContextAI

Classified as CWE-122 (Heap-based Buffer Overflow). Affects Archer Ax53 Firmware. 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.