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Status published
High
CVE-2023-34139
A command injection vulnerability in the Free Time WiFi hotspot...
Vulnerability Description
A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Zyxel
View all reports →Affected Software
USG FLEX series firmware, VPN series firmware
Vulnerable Versions:
4.50 through 5.36 Patch 2, 4.20 through 5.36 Patch 2
Timeline
Official Publish:
July 17th, 2023
Last Modified:
October 29th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H