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.
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Affected Vendors & Products
Advisories
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Solution
No solution given by the vendor.
Workaround
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History
Tue, 21 Oct 2025 20:30:00 +0000
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Status: PUBLISHED
Assigner: Zyxel
Published:
Updated: 2025-10-21T23:15:39.737Z
Reserved: 2022-05-10T00:00:00.000Z
Link: CVE-2022-30525

Updated: 2024-08-03T06:48:36.383Z

Status : Modified
Published: 2022-05-12T14:15:07.053
Modified: 2025-10-21T20:19:08.710
Link: CVE-2022-30525

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