CVE-2023-33011

Published Jul 17, 2023 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-37200 A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2, and VPN series firmware versions 5.00 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled.
History
Type Values Removed Values Added
First Time appeared Zyxel atp100 Firmware
Zyxel usg20w-vpn Firmware
Zyxel usg Flex 50\/w\/ Series Firmware
Zyxel usg Flex Series Firmware
Zyxel vpn Series Firmware
CPEs cpe:2.3:o:zyxel:atp100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg20w-vpn_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_50\/w\/_series_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_series_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:vpn_series_firmware:*:*:*:*:*:*:*:*
Vendors & Products Zyxel atp100 Firmware
Zyxel usg20w-vpn Firmware
Zyxel usg Flex 50\/w\/ Series Firmware
Zyxel usg Flex Series Firmware
Zyxel vpn Series Firmware
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Zyxel
Published
Updated
Nov 7, 2024, 7:08 PM
Reserved
May 17, 2023, 2:56 AM
Status
Modified
Published
Jul 17, 2023, 6:15 PM
Modified
Jun 17, 2026, 6:00 AM