Buffer overflow in TP-Link Archer Ax53

CVE-2025-62673

Heap-based Buffer Overflow vulnerability in Archer AX53 v1.0 and AX12 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 and Archer AX12 v1.0: up to 1.5.1 Build 20260721.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (44.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-62673: held from 0.006 to 0.005.

EPSS over last 30 days · oldest: 0.006 · newest: 0.005 · change: -0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-62673?
CVE-2025-62673 is a high-severity vulnerability in TP-Link Archer Ax53, classified under Heap-based Buffer Overflow. CVSS score: 8.0/10. Published 2026-02-03.
How severe is CVE-2025-62673?
High severity. CVSS v3 base score is 8.0 out of 10.