What is CVE-2022-40621?

CVE-2022-40621 is a high-severity vulnerability in Wavlink Wn531g3, classified under Authentication Bypass by Capture-replay. CVSS score: 7.5/10. Published 2022-09-13.

How severe is CVE-2022-40621?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Wavlink Wn531g3

CVE-2022-40621

Because the WAVLINK Quantum D4G (WN531G3) running firmware version M31G3.V5030.200325 and earlier communicates over HTTP and not HTTPS, and because the hashing mechanism does not rely on a server-supplied key, it is possible for an attacke…

EPSS: 0.007 (48.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Wavlink Wn531g3 — versions M31G3.V5030.200325
Wavlink Wn531g3_firmware

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

cve@rapid7.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-40621?: CVE-2022-40621 is a high-severity vulnerability in Wavlink Wn531g3, classified under Authentication Bypass by Capture-replay. CVSS score: 7.5/10. Published 2022-09-13.
How severe is CVE-2022-40621?: High severity. CVSS v3 base score is 7.5 out of 10.