A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.60 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.60 through 5.36 Patch 1, VPN series firmware versions 4.60 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.60 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.
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Affected Vendors & Products
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History
Tue, 21 Oct 2025 23:30:00 +0000
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Tue, 21 Oct 2025 19:30:00 +0000
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Status: PUBLISHED
Assigner: Zyxel
Published: 2023-05-24T00:00:00.000Z
Updated: 2025-10-21T23:05:47.636Z
Reserved: 2023-05-17T00:00:00.000Z
Link: CVE-2023-33009
Updated: 2024-08-02T15:32:46.565Z
Status : Modified
Published: 2023-05-24T13:15:09.560
Modified: 2025-10-21T23:16:01.070
Link: CVE-2023-33009
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