Description
A command injection vulnerability in the hotspot management feature of the Zyxel ATP series firmware versions 4.60 through 5.36 Patch 2, USG FLEX series firmware versions 4.60 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 4.60 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 4.60 through 5.36 Patch 2, and VPN series firmware versions 4.60 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the list of trusted RADIUS clients in advance.
References (1)
Core 1
Core References
Scores
CVSS v3
8.0
EPSS
0.0013
EPSS Percentile
32.1%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-78
Status
published
Products (22)
zyxel/usg_20w-vpn_firmware
4.60 - 5.37
zyxel/usg_2200-vpn_firmware
4.60 - 5.37
zyxel/usg_flex_100_firmware
4.60 - 5.37
zyxel/usg_flex_100w_firmware
4.60 - 5.37
zyxel/usg_flex_200_firmware
4.60 - 5.37
zyxel/usg_flex_500_firmware
4.60 - 5.37
zyxel/usg_flex_50_firmware
4.60 - 5.37
zyxel/usg_flex_50w_firmware
4.60 - 5.37
zyxel/usg_flex_700_firmware
4.60 - 5.37
zyxel/zywall_atp100_firmware
4.60 - 5.37
... and 12 more
Published
Jul 17, 2023
Tracked Since
Feb 18, 2026