What is CVE-2024-39273?

CVE-2024-39273 is a critical-severity vulnerability in Wavlink Ac3000, classified under Missing Authentication for Critical Function. CVSS score: 9.0/10. Published 2025-01-14.

How severe is CVE-2024-39273?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Auth bypass in Wavlink Ac3000

CVE-2024-39273

A firmware update vulnerability exists in the fw_check.sh functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary firmware update. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

Vulnerability class: Broken Authentication

Published 2025-01-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Wavlink Ac3000 — versions M33A8.V5030.210505
Wavlink Wl-Wn533a8
Wavlink Wl-Wn533a8 Firmware — versions m33a8.v5030.210505

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

talosintelligence.com/vulnerability_reports/TALOS-2024-2037 (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-39273?: CVE-2024-39273 is a critical-severity vulnerability in Wavlink Ac3000, classified under Missing Authentication for Critical Function. CVSS score: 9.0/10. Published 2025-01-14.
How severe is CVE-2024-39273?: Critical severity. CVSS v3 base score is 9.0 out of 10.