What is CVE-2024-39756?

CVE-2024-39756 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-2024-39756?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Buffer overflow in Wavlink Ac3000

CVE-2024-39756

A buffer overflow vulnerability exists in the adm.cgi rep_as_router() 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…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (63.9th percentile) — read the EPSS interpretation.

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.

Affected products

Wavlink Ac3000 — versions M33A8.V5030.210505

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

https://talosintelligence.com/vulnerability_reports/TALOS-2024-2024

Frequently asked questions

What is CVE-2024-39756?: CVE-2024-39756 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-2024-39756?: Critical severity. CVSS v3 base score is 9.1 out of 10.