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.
Published 2022-09-13 21:15:10
Updated 2022-09-19 14:00:41
Source Rapid7, Inc.
View at NVD,

Exploit prediction scoring system (EPSS) score for CVE-2022-40621

Probability of exploitation activity in the next 30 days EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-40621

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

CWE ids for CVE-2022-40621

  • A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).
    Assigned by:
    • cve@rapid7.con (Secondary)
    • (Primary)

References for CVE-2022-40621

Products affected by CVE-2022-40621

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