CVE-2022-305259.8CriticalCWE-78

CVE-2022-30525: Zyxel Firewall - OS Command Injection

Zyxel · USG FLEX 100(W) firmware

Affected: Zyxel USG FLEX 100(W) firmware · Exploitation: in CISA KEV since 16 May 2022

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

In CISA KEVCISA KEV catalogue16 May 2022
Exploited (reported): not seen
Scanning observed: not seen
Proof of concept public: not seen
Not established: not seen

99.9%probability of exploitation in the next 30 days

99th percentile

050100

Higher than 99% of scored CVEs

9.8CriticalCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products8

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Zyxel · USG FLEX 100(W) firmware5.00 through 5.21 Patch 1
Zyxel · USG FLEX 200 firmware5.00 through 5.21 Patch 1
Zyxel · USG FLEX 500 firmware5.00 through 5.21 Patch 1
Zyxel · USG FLEX 700 firmware5.00 through 5.21 Patch 1
Zyxel · ATP series firmware5.10 through 5.21 Patch 1
Zyxel · VPN series firmware4.60 through 5.21 Patch 1
Zyxel · USG FLEX 50(W) firmware5.10 through 5.21 Patch 1
Zyxel · USG 20(W)-VPN firmware5.10 through 5.21 Patch 1

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV: Listed since 16 May 2022 · catalogue entry
Public check: Zyxel Firewall - OS Command Injection · nuclei template in projectdiscovery/nuclei-templates
Weakness: OS Command Injection · Command and Code Injection
Vendor: Zyxel
Published: May 2022
Band: Exploited in the wild, May 2022

What changed

16 May 2022
CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2022-30525 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.