high8.8
CVE-2023-28767
The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions…
Impact
The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36, USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Zyxel | Usg 2200-Vpn Firmware | from 5.00 before 5.37 |
| Zyxel | Usg Flex 100 Firmware | from 5.00 before 5.37 |
| Zyxel | Usg Flex 100w Firmware | from 5.00 before 5.37 |
| Zyxel | Usg Flex 200 Firmware | from 5.00 before 5.37 |
| Zyxel | Usg Flex 50 Firmware | from 5.00 before 5.37 |
| Zyxel | Usg Flex 500 Firmware | from 5.00 before 5.37 |
| Zyxel | Usg Flex 50w Firmware | from 5.00 before 5.37 |
| Zyxel | Usg Flex 700 Firmware | from 5.00 before 5.37 |
| Zyxel | Zywall Vpn100 Firmware | from 5.00 before 5.37 |
| Zyxel | Zywall Vpn2s Firmware | from 5.00 before 5.37 |
| Zyxel | Zywall Vpn300 Firmware | from 5.00 before 5.37 |
| Zyxel | Zywall Vpn50 Firmware | from 5.00 before 5.37 |
Weakness classification
References
- NVD record
- CVE.org record
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers
- https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers