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CVE-2022-40622

WAVLINK Quantum D4G (WN531G3) Session Management by IP Address

High8.8EPSS 0.74%
Published
Updated
Reserved
Assigned by
rapid7

Description

The WAVLINK Quantum D4G (WN531G3) running firmware version M31G3.V5030.200325 uses IP addresses to hold sessions and does not not use session tokens. Therefore, if an attacker changes their IP address to match the logged-in administrator's, or is behind the same NAT as the logged in administrator, session takeover is possible.

Timeline

  1. ID reserved

    By rapid7

  2. · 1 day later

    Published

  3. · 2 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-40622, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.1High8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.74% · top 45% of all CVEs (7 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • WAVLINK · WN531G3

    • affected M31G3.V5030.200325 – ≤ M31G3.V5030.200325

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .