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CVE-2023-34139

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2023
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

USG FLEX series firmware

Vendor
Zyxel
Product
USG FLEX series firmware
Platforms
Unknown
Default status
unaffected
USG FLEX series firmware · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
4.50 through 5.36 Patch 2affectedUnavailableUnavailableUnavailableNone listed

VPN series firmware

Vendor
Zyxel
Product
VPN series firmware
Platforms
Unknown
Default status
unaffected
VPN series firmware · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
4.20 through 5.36 Patch 2affectedUnavailableUnavailableUnavailableNone listed