vulnerability
Zyxel "zyfwp" Backdoor Account (Hardcoded Credential)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Dec 23, 2020 | Jan 4, 2021 | May 3, 2022 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Dec 23, 2020
Added
Jan 4, 2021
Modified
May 3, 2022
Description
Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges.
Solution
zyxel-upgrade-460-610-patch1
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.