High severity7.5NVD Advisory· Published Sep 13, 2022· Updated Jun 17, 2026
CVE-2022-40621
CVE-2022-40621
Description
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 attacker with sufficient network access to capture the hashed password of a logged on user and use it in a classic Pass-the-Hash style attack.
Affected products
2- Range: <= M31G3.V5030.200325
- Range: M31G3.V5030.200325
Patches
Vulnerability mechanics
References
1- www.malbytes.net/2022/07/wavlink-quantum-d4g-zero-day-part-01.htmlnvdExploitThird Party Advisory
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