VIR Vulnerability Intelligence Relay

CVE-2020-29583

unknown KEV
Published 2021-11-03 · Modified 2021-11-03
CVSS v3
—
CVSS v2
—
VIR risk
1.5

Description

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.

CISA KEV

Vendor
Zyxel
Product
Multiple Products
Due date
2022-05-03

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2020-29583

Exploits

References

Verify integrity in audit chain (admin only). AS-IS.