CVE-2022-30525
Zyxel Multiple Firewalls OS Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2022-30525
Description
A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Zyxel | USG FLEX 100(W) firmware | 5.00 through 5.21 Patch 1 |
| Zyxel | USG FLEX 200 firmware | 5.00 through 5.21 Patch 1 |
| Zyxel | USG FLEX 500 firmware | 5.00 through 5.21 Patch 1 |
| Zyxel | USG FLEX 700 firmware | 5.00 through 5.21 Patch 1 |
| Zyxel | ATP series firmware | 5.10 through 5.21 Patch 1 |
| Zyxel | VPN series firmware | 4.60 through 5.21 Patch 1 |
| Zyxel | USG FLEX 50(W) firmware | 5.10 through 5.21 Patch 1 |
| Zyxel | USG 20(W)-VPN firmware | 5.10 through 5.21 Patch 1 |
References
5 Links- https://www.zyxel.com/support/Zyxel-security-advisory-for-OS-command-injection-vulnerability-of-firewalls.shtml
- http://packetstormsecurity.com/files/167176/Zyxel-Remote-Command-Execution.html
- http://packetstormsecurity.com/files/167182/Zyxel-Firewall-ZTP-Unauthenticated-Command-Injection.html
- http://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-5.21-Command-Injection.html
- http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html
Record Details
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