CVE-2025-62673

Heap-based Buffer Overflow Vulnerability in Archer AX53 and AX12

HIGH
8
CVSS Score
Published: February 3, 2026 at 06:53 PM UTC
Updated: September 22, 2026 at 11:31 PM UTC
3 products affected across 1 vendorArcher AX53 FirmwareArcher AX53Archer AX12

Using Archer AX53 v1.0 by TP-Link Systems Inc.?

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Severity
HIGH8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

tp-link-archer-ax53 (same device)
v < 1.5.1 Build 20260721
Affected range stops below 1.5.1 Build 20260721, so it looks safe — our inference, not a vendor statement
v ≤ 1.3.1 Build 20241120

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122

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