{"id":"CVE-2022-40621","aliases":["EUVD-2022-43895","GHSA-8mh6-982p-25hv"],"status":"published","title":"WAVLINK Quantum D4G (WN531G3) Pass-The-Hash","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00853,"percentile":0.58769,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-294"],"published":"2022-09-13T20:35:12Z","modified":"2026-06-17T05:01:43Z","products":[{"vendor":"wavlink","product":"wn531g3"},{"vendor":"wavlink","product":"wn531g3_firmware"}],"references":[{"url":"https://www.malbytes.net/2022/07/wavlink-quantum-d4g-zero-day-part-01.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-40621"},{"url":"https://github.com/advisories/GHSA-8mh6-982p-25hv"}],"sources":{"cve":[{"id":"CVE-2022-40621","title":"WAVLINK Quantum D4G (WN531G3) Pass-The-Hash","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.","status":"published","published":"2022-09-13T20:35:12.006Z","modified":"2024-09-17T02:01:24.046Z","cwes":["CWE-294"],"updated_at":"2026-11-02T14:34:30.493103Z"}],"euvd":[{"id":"EUVD-2022-43895","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.","status":"published","published":"2022-09-13T20:35:12Z","modified":"2024-09-17T02:01:24Z","updated_at":"2026-11-03T00:28:44.385816Z"}],"ghsa":[{"id":"GHSA-8mh6-982p-25hv","title":"Because the WAVLINK Quantum D4G (WN531G3) running firmware version M31G3.V5030.200325 and earlier...","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.","status":"published","published":"2022-09-14T00:00:42Z","modified":"2023-01-28T05:02:52Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:43:51.685777Z"}],"nvd":[{"id":"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.","status":"published","published":"2022-09-13T21:15:10.133Z","modified":"2026-06-17T05:01:43.54Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:07:27.631109Z"}]}}