CVE-2022-30525
KEVHIGH 10.0EPSS 99.9%
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.
- CVSS v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0
- 10.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C - EPSS
- 99.94% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2022-05-16
- Nuclei
- critical · CWE-78
- Published
- 2022-05-12
- Updated
- 2025-10-21
Proof-of-concept exploits (19)
- http://packetstormsecurity.com/files/167182/Zyxel-Firewall-ZTP-Unauthenticated-Command-In…
- http://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-5.21-Command-Injection.html
- http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalati…
- Chocapikk/CVE-2022-30525-Reverse-Shell3★ · 2022-05-19
- Fans0n-Fan/Awesome-IoT-exp1★ · 2022-05-19
- Henry4E36/CVE-2022-3052522★ · 2022-05-13
- M4fiaB0y/CVE-2022-305251★ · 2022-05-15
- ProngedFork/CVE-2022-305251★ · 2022-06-13
- YGoldking/CVE-2022-305253★ · 2022-05-16
- arajsingh-infosec/CVE-2022-30525_Exploit1★ · 2024-02-27
- furkanzengin/CVE-2022-305251★ · 2022-06-12
- iveresk/cve-2022-305253★ · 2022-05-24
- jbaines-r7/victorian_machinery30★ · 2022-05-12
- k0sf/CVE-2022-305253★ · 2022-05-16
- savior-only/CVE-2022-305254★ · 2022-05-14
- shuai06/CVE-2022-3052533★ · 2022-05-13
- superzerosec/CVE-2022-305251★ · 2022-05-17
- west9b/CVE-2022-3052512★ · 2022-05-28
- west9b/F5-BIG-IP-POC10★ · 2022-07-30