A AegiFlow
UNKNOWNKNOWN EXPLOITED

CVE-2020-29583

Zyxel Multiple Products Use of Hard-Coded Credentials Vulnerability

Published
2021-11-03
Modified
2026-07-31
Sources
cisa-kev

Summary

Zyxel firewalls (ATP, USG, VM) and AP Controllers (NXC2500 and NXC5500) contain a use of hard-coded credentials vulnerability in an undocumented account ("zyfwp") with an unchangeable password.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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