CVE-2022-30526
A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware vers…
Impact
A privilege escalation vulnerability was identified in the CLI command of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.09 through 4.72, which could allow a local attacker to execute some OS commands with root privileges in some directories on a vulnerable device.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Zyxel | Usg Flex 100w Firmware | from 4.50 through 5.30 |
| Zyxel | Usg Flex 200 Firmware | from 4.50 through 5.30 |
| Zyxel | Usg Flex 500 Firmware | from 4.50 through 5.30 |
| Zyxel | Usg Flex 700 Firmware | from 4.50 through 5.30 |
| Zyxel | Usg Flex 50w Firmware | from 4.16 through 5.30 |
| Zyxel | Usg20w-Vpn Firmware | from 4.16 through 5.30 |
| Zyxel | Atp800 Firmware | from 4.32 through 5.30 |
| Zyxel | Atp700 Firmware | from 4.32 through 5.30 |
| Zyxel | Atp500 Firmware | from 4.32 through 5.30 |
| Zyxel | Atp200 Firmware | from 4.32 through 5.30 |
| Zyxel | Atp100w Firmware | from 4.32 through 5.30 |
| Zyxel | Atp100 Firmware | from 4.32 through 5.30 |
Weakness classification
References
- NVD record
- CVE.org record
- http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html
- https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal-vulnerabilities-of-firewalls.shtml
- http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html
- https://www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal-vulnerabilities-of-firewalls.shtml