VYPR
Unrated severityCISA KEVNVD Advisory· Published May 12, 2022· Updated Oct 21, 2025

CVE-2022-30525

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.

Affected products

8
  • Zyxel/USG FLEX 100(W) firmwarev5
    Range: 5.00 through 5.21 Patch 1
  • Zyxel/USG FLEX 200 firmwarev5
    Range: 5.00 through 5.21 Patch 1
  • Zyxel/USG FLEX 500 firmwarev5
    Range: 5.00 through 5.21 Patch 1
  • Zyxel/USG FLEX 700 firmwarev5
    Range: 5.00 through 5.21 Patch 1
  • Zyxel/ATP series firmwarev5
    Range: 5.10 through 5.21 Patch 1
  • Zyxel/VPN series firmwarev5
    Range: 4.60 through 5.21 Patch 1
  • Zyxel/USG FLEX 50(W) firmwarev5
    Range: 5.10 through 5.21 Patch 1
  • Zyxel/USG 20(W)-VPN firmwarev5
    Range: 5.10 through 5.21 Patch 1

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

5

News mentions

0

No linked articles in our index yet.