CVE-2020-29583
Zyxel Multiple Products Use of Hard-Coded Credentials Vulnerability
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.
Affected software
Vendor: Zyxel · Product: Multiple Products
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Zyxel
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2020-9054 | Zyxel Multiple NAS Devices OS Command Injection Vulnerability | 100.0% | Yes |
| CVE-2022-30525 | Zyxel Multiple Firewalls OS Command Injection Vulnerability | 99.9% | Yes |
| CVE-2023-28771 | Zyxel Multiple Firewalls OS Command Injection Vulnerability | 99.3% | Yes |
| CVE-2017-18368 | Zyxel P660HN-T1A Routers Command Injection Vulnerability | 94.5% | Yes |
| CVE-2023-27992 | Zyxel Multiple NAS Devices Command Injection Vulnerability | 84.2% | Yes |
| CVE-2017-6884 | Zyxel EMG2926 Routers Command Injection Vulnerability | 37.6% | Yes |
| CVE-2023-33010 | Zyxel Multiple Firewalls Buffer Overflow Vulnerability | 28.8% | Yes |
| CVE-2023-33009 | Zyxel Multiple Firewalls Buffer Overflow Vulnerability | 28.1% | Yes |
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