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CVE-2023-34138 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8 HIGHVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers	CVE	Vendor Advisory
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	[email protected]
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	[email protected]

Affected Products

Product	Versions
zyxel usg 20w-vpn firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:usg_20w-vpn_firmware:::::::: Remediation No remediation found in references.
zyxel usg 20w-vpn	All versions
CPE cpe:2.3:h:zyxel:usg_20w-vpn:-:::::::* Remediation No remediation found in references.
zyxel usg 2200-vpn firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:usg_2200-vpn_firmware:::::::: Remediation No remediation found in references.
zyxel usg 2200-vpn	All versions
CPE cpe:2.3:h:zyxel:usg_2200-vpn:-:::::::* Remediation No remediation found in references.
zyxel usg flex 100 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:usg_flex_100_firmware:::::::: Remediation No remediation found in references.
zyxel usg flex 100	All versions
CPE cpe:2.3:h:zyxel:usg_flex_100:-:::::::* Remediation No remediation found in references.
zyxel usg flex 100w firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:usg_flex_100w_firmware:::::::: Remediation No remediation found in references.
zyxel usg flex 100w	All versions
CPE cpe:2.3:h:zyxel:usg_flex_100w:-:::::::* Remediation No remediation found in references.
zyxel usg flex 200 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:usg_flex_200_firmware:::::::: Remediation No remediation found in references.
zyxel usg flex 200	All versions
CPE cpe:2.3:h:zyxel:usg_flex_200:-:::::::* Remediation No remediation found in references.
zyxel usg flex 50 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:usg_flex_50_firmware:::::::: Remediation No remediation found in references.
zyxel usg flex 50	All versions
CPE cpe:2.3:h:zyxel:usg_flex_50:-:::::::* Remediation No remediation found in references.
zyxel usg flex 500 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:usg_flex_500_firmware:::::::: Remediation No remediation found in references.
zyxel usg flex 500	All versions
CPE cpe:2.3:h:zyxel:usg_flex_500:-:::::::* Remediation No remediation found in references.
zyxel usg flex 50w firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:usg_flex_50w_firmware:::::::: Remediation No remediation found in references.
zyxel usg flex 50w	All versions
CPE cpe:2.3:h:zyxel:usg_flex_50w:-:::::::* Remediation No remediation found in references.
zyxel usg flex 700 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:usg_flex_700_firmware:::::::: Remediation No remediation found in references.
zyxel usg flex 700	All versions
CPE cpe:2.3:h:zyxel:usg_flex_700:-:::::::* Remediation No remediation found in references.
zyxel zywall atp100 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_atp100_firmware:::::::: Remediation No remediation found in references.
zyxel zywall atp100	All versions
CPE cpe:2.3:h:zyxel:zywall_atp100:-:::::::* Remediation No remediation found in references.
zyxel zywall atp100w firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_atp100w_firmware:::::::: Remediation No remediation found in references.
zyxel zywall atp100w	All versions
CPE cpe:2.3:h:zyxel:zywall_atp100w:-:::::::* Remediation No remediation found in references.
zyxel zywall atp200 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_atp200_firmware:::::::: Remediation No remediation found in references.
zyxel zywall atp200	All versions
CPE cpe:2.3:h:zyxel:zywall_atp200:-:::::::* Remediation No remediation found in references.
zyxel zywall atp500 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_atp500_firmware:::::::: Remediation No remediation found in references.
zyxel zywall atp500	All versions
CPE cpe:2.3:h:zyxel:zywall_atp500:-:::::::* Remediation No remediation found in references.
zyxel zywall atp700 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_atp700_firmware:::::::: Remediation No remediation found in references.
zyxel zywall atp700	All versions
CPE cpe:2.3:h:zyxel:zywall_atp700:-:::::::* Remediation No remediation found in references.
zyxel zywall atp800 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_atp800_firmware:::::::: Remediation No remediation found in references.
zyxel zywall atp800	All versions
CPE cpe:2.3:h:zyxel:zywall_atp800:-:::::::* Remediation No remediation found in references.
zyxel zywall vpn100 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_vpn100_firmware:::::::: Remediation No remediation found in references.
zyxel zywall vpn100	All versions
CPE cpe:2.3:h:zyxel:zywall_vpn100:-:::::::* Remediation No remediation found in references.
zyxel zywall vpn2s firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_vpn2s_firmware:::::::: Remediation No remediation found in references.
zyxel zywall vpn2s	All versions
CPE cpe:2.3:h:zyxel:zywall_vpn2s:-:::::::* Remediation No remediation found in references.
zyxel zywall vpn300 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_vpn300_firmware:::::::: Remediation No remediation found in references.
zyxel zywall vpn300	All versions
CPE cpe:2.3:h:zyxel:zywall_vpn300:-:::::::* Remediation No remediation found in references.
zyxel zywall vpn50 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_vpn50_firmware:::::::: Remediation No remediation found in references.
zyxel zywall vpn50	All versions
CPE cpe:2.3:h:zyxel:zywall_vpn50:-:::::::* Remediation No remediation found in references.
zyxel zywall vpn 100 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_vpn_100_firmware:::::::: Remediation No remediation found in references.
zyxel zywall vpn 100	All versions
CPE cpe:2.3:h:zyxel:zywall_vpn_100:-:::::::* Remediation No remediation found in references.
zyxel zywall vpn 300 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_vpn_300_firmware:::::::: Remediation No remediation found in references.
zyxel zywall vpn 300	All versions
CPE cpe:2.3:h:zyxel:zywall_vpn_300:-:::::::* Remediation No remediation found in references.
zyxel zywall vpn 50 firmware	>= 4.60, < 5.37
CPE cpe:2.3:o:zyxel:zywall_vpn_50_firmware:::::::: Remediation No remediation found in references.
zyxel zywall vpn 50	All versions
CPE cpe:2.3:h:zyxel:zywall_vpn_50:-:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 26, 2023	Initial Analysis	[email protected]
Jul 17, 2023	CVE Modified	[email protected]

CVE-2023-34138 Details

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