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
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
CWE CWE-78
CPE cpe:2.3:o:zyxel:zywall_vpn300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_100w:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_50:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_200:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn100:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn2s:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn2s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_100:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn50:-:*:*:*:*:*:*:*
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:h:zyxel:zywall_vpn_50:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_2200-vpn:-:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn_100:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn_300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn300:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn_50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:usg_flex_500:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:zyxel:zywall_vpn_300:-:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:zywall_vpn_100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:zyxel:usg_2200-vpn_firmware:*:*:*:*:*:*:*:*

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 : 2024-02-05 00:01

NVD link : CVE-2023-34139

Mitre link : CVE-2023-34139

CVE.ORG link : CVE-2023-34139

JSON object : View

Products Affected

zyxel

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

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