CVE-2022-0342 An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versi...
CriticalCVSS 9.8
EPSS 95.1%
- Published
- Updated
- Exploit status
- No public exploit known
Description
An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.32 through 5.20, VPN series firmware versions 4.30 through 5.20, and NSG series firmware versions V1.20 through V1.33 Patch 4, which could allow an attacker to bypass the web authentication and obtain administrative access of the device.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zyxel USG/ZyWALL series firmware | = 4.20 through 4.70 | No fix listed |
| zyxel USG FLEX series firmware | = 4.50 through 5.20 | No fix listed |
| zyxel ATP series firmware | = 4.32 through 5.20 | No fix listed |
| zyxel VPN series firmware | = 4.30 through 5.20 | No fix listed |
| zyxel NSG series firmware | = 1.20 through 1.33 Patch 4 | No fix listed |
| zyxel usg40 firmware | >= 4.20, < 4.71 | 4.71 |
| zyxel usg40w firmware | >= 4.20, < 4.71 | 4.71 |
| zyxel usg60 firmware | >= 4.20, < 4.71 | 4.71 |
| zyxel usg60w firmware | >= 4.20, < 4.71 | 4.71 |
| zyxel zywall 110 firmware | >= 4.20, < 4.71 | 4.71 |
| zyxel zywall 310 firmware | >= 4.20, < 4.71 | 4.71 |
| zyxel zywall 1100 firmware | >= 4.20, < 4.71 | 4.71 |
| zyxel usg flex 100 firmware | >= 4.50, <= 5.20 | No fix listed |
| zyxel usg flex 200 firmware | >= 4.50, <= 5.20 | No fix listed |
| zyxel usg flex 500 firmware | >= 4.50, <= 5.20 | No fix listed |
| zyxel usg flex 100w firmware | >= 4.50, <= 5.20 | No fix listed |
| zyxel usg flex 700 firmware | >= 4.50, <= 5.20 | No fix listed |
| zyxel atp100 firmware | >= 4.32, <= 5.20 | No fix listed |
| zyxel atp100w firmware | >= 4.32, <= 5.20 | No fix listed |
| zyxel atp200 firmware | >= 4.32, <= 5.20 | No fix listed |
| zyxel atp500 firmware | >= 4.32, <= 5.20 | No fix listed |
| zyxel atp700 firmware | >= 4.32, <= 5.20 | No fix listed |
| zyxel atp800 firmware | >= 4.32, <= 5.20 | No fix listed |
| zyxel vpn50 firmware | >= 4.30, < 5.21 | 5.21 |
| zyxel vpn100 firmware | >= 4.30, < 5.21 | 5.21 |
Show 5 more
| Product | Affected versions | Fixed in |
|---|---|---|
| zyxel vpn300 firmware | >= 4.30, < 5.21 | 5.21 |
| zyxel vpn1000 firmware | >= 4.30, < 5.21 | 5.21 |
| zyxel nsg300 firmware | >= 1.20, < 1.33 | 1.33 |
| zyxel nsg300 firmware | = 1.33 | No fix listed |
| zyxel nsg300 firmware | = 1.33-p4 | No fix listed |
References
- www.zyxel.com vendor-advisory