Buffer overflow in Wavlink Ac3000
CVE-2024-39769
Multiple buffer overflow vulnerabilities exist in the internet.cgi set_qos() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to stack-based buffer overflow. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.This vulnerability exists in the `cli_mac` POST parameter.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · 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)
References
- talosintelligence.com/vulnerability_reports/TALOS-2024-2022 (Exploit, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-39769?
- CVE-2024-39769 is a critical-severity vulnerability in Wavlink Ac3000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.1/10. Published 2025-01-14.
- How severe is CVE-2024-39769?
- Critical severity. CVSS v3 base score is 9.1 out of 10.