CVE-2023-34139

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-34139
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.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:zyxel:usg_2200-vpn_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_2200-vpn:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:zyxel:zywall_vpn100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn100:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:zyxel:zywall_vpn2s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn2s:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:zyxel:zywall_vpn300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn300:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:zyxel:zywall_vpn50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn50:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:zyxel:zywall_vpn_100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn_100:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:zyxel:zywall_vpn_300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn_300:-:*:*:*:*:*:*:*

Configuration 15 (hide)

AND
cpe:2.3:o:zyxel:zywall_vpn_50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn_50:-:*:*:*:*:*:*:*
History

26 Jul 2023, 21:30

Type Values Removed Values Added
CPE cpe:2.3:o:zyxel:usg_2200-vpn_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_700:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_50w:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn2s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn_300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn300:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn100:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn_50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn50:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn_300:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_2200-vpn:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn_100:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn_50:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn_100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn2s:-:*:*:*:*:*:*:*
References (MISC) https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers - (MISC) https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers - Vendor Advisory
First Time Zyxel zywall Vpn100
Zyxel zywall Vpn50
Zyxel
Zyxel usg Flex 200 Firmware
Zyxel usg 2200-vpn Firmware
Zyxel usg Flex 500 Firmware
Zyxel usg Flex 100w Firmware
Zyxel usg Flex 700
Zyxel zywall Vpn 50
Zyxel zywall Vpn 100 Firmware
Zyxel usg Flex 50 Firmware
Zyxel zywall Vpn2s
Zyxel usg Flex 500
Zyxel usg Flex 700 Firmware
Zyxel usg 2200-vpn
Zyxel zywall Vpn300 Firmware
Zyxel usg Flex 200
Zyxel usg Flex 100 Firmware
Zyxel zywall Vpn 300 Firmware
Zyxel usg Flex 50w Firmware
Zyxel zywall Vpn300
Zyxel usg Flex 50
Zyxel zywall Vpn2s Firmware
Zyxel zywall Vpn 50 Firmware
Zyxel zywall Vpn 100
Zyxel usg Flex 50w
Zyxel usg Flex 100w
Zyxel zywall Vpn50 Firmware
Zyxel usg Flex 100
Zyxel zywall Vpn 300
Zyxel zywall Vpn100 Firmware
CWE CWE-78

18 Jul 2023, 03:15

Type Values Removed Values Added
Summary A command injection vulnerability in the Free Time WiFi hotspot feature of in 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. 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.

17 Jul 2023, 18:58

Type Values Removed Values Added
New CVE
Information

Published : 2023-07-17 18:15

Updated : 2023-12-10 15:14

NVD link : CVE-2023-34139

Mitre link : CVE-2023-34139

CVE.ORG link : CVE-2023-34139

JSON object : View

Products Affected

zyxel

  • usg_2200-vpn_firmware
  • zywall_vpn_300_firmware
  • usg_flex_100
  • usg_flex_50
  • zywall_vpn300
  • usg_flex_100_firmware
  • zywall_vpn100_firmware
  • zywall_vpn_100
  • zywall_vpn50_firmware
  • zywall_vpn2s_firmware
  • usg_flex_100w_firmware
  • zywall_vpn_50_firmware
  • zywall_vpn100
  • zywall_vpn_300
  • zywall_vpn_100_firmware
  • usg_flex_500
  • zywall_vpn_50
  • usg_flex_50_firmware
  • usg_2200-vpn
  • usg_flex_50w
  • usg_flex_700
  • usg_flex_100w
  • zywall_vpn300_firmware
  • zywall_vpn50
  • usg_flex_500_firmware
  • zywall_vpn2s
  • usg_flex_700_firmware
  • usg_flex_200_firmware
  • usg_flex_200
  • usg_flex_50w_firmware
CWE
CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')