// For flags

CVE-2023-34139

 

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-05-26 CVE Reserved
  • 2023-07-17 CVE Published
  • 2024-08-18 EPSS Updated
  • 2024-10-29 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Zyxel
Search vendor "Zyxel"
Usg 2200-vpn Firmware
Search vendor "Zyxel" for product "Usg 2200-vpn Firmware"
>= 4.20 < 5.37
Search vendor "Zyxel" for product "Usg 2200-vpn Firmware" and version " >= 4.20 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg 2200-vpn
Search vendor "Zyxel" for product "Usg 2200-vpn"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 100 Firmware
Search vendor "Zyxel" for product "Usg Flex 100 Firmware"
>= 4.50 < 5.37
Search vendor "Zyxel" for product "Usg Flex 100 Firmware" and version " >= 4.50 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 100
Search vendor "Zyxel" for product "Usg Flex 100"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 100w Firmware
Search vendor "Zyxel" for product "Usg Flex 100w Firmware"
>= 4.50 < 5.37
Search vendor "Zyxel" for product "Usg Flex 100w Firmware" and version " >= 4.50 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 100w
Search vendor "Zyxel" for product "Usg Flex 100w"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 200 Firmware
Search vendor "Zyxel" for product "Usg Flex 200 Firmware"
>= 4.50 < 5.37
Search vendor "Zyxel" for product "Usg Flex 200 Firmware" and version " >= 4.50 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 200
Search vendor "Zyxel" for product "Usg Flex 200"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 50 Firmware
Search vendor "Zyxel" for product "Usg Flex 50 Firmware"
>= 4.50 < 5.37
Search vendor "Zyxel" for product "Usg Flex 50 Firmware" and version " >= 4.50 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 50
Search vendor "Zyxel" for product "Usg Flex 50"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 500 Firmware
Search vendor "Zyxel" for product "Usg Flex 500 Firmware"
>= 4.50 < 5.37
Search vendor "Zyxel" for product "Usg Flex 500 Firmware" and version " >= 4.50 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 500
Search vendor "Zyxel" for product "Usg Flex 500"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 50w Firmware
Search vendor "Zyxel" for product "Usg Flex 50w Firmware"
>= 4.50 < 5.37
Search vendor "Zyxel" for product "Usg Flex 50w Firmware" and version " >= 4.50 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 50w
Search vendor "Zyxel" for product "Usg Flex 50w"
--
Safe
Zyxel
Search vendor "Zyxel"
Usg Flex 700 Firmware
Search vendor "Zyxel" for product "Usg Flex 700 Firmware"
>= 4.50 < 5.37
Search vendor "Zyxel" for product "Usg Flex 700 Firmware" and version " >= 4.50 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Usg Flex 700
Search vendor "Zyxel" for product "Usg Flex 700"
--
Safe
Zyxel
Search vendor "Zyxel"
Zywall Vpn100 Firmware
Search vendor "Zyxel" for product "Zywall Vpn100 Firmware"
>= 4.20 < 5.37
Search vendor "Zyxel" for product "Zywall Vpn100 Firmware" and version " >= 4.20 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Zywall Vpn100
Search vendor "Zyxel" for product "Zywall Vpn100"
--
Safe
Zyxel
Search vendor "Zyxel"
Zywall Vpn2s Firmware
Search vendor "Zyxel" for product "Zywall Vpn2s Firmware"
>= 4.20 < 5.37
Search vendor "Zyxel" for product "Zywall Vpn2s Firmware" and version " >= 4.20 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Zywall Vpn2s
Search vendor "Zyxel" for product "Zywall Vpn2s"
--
Safe
Zyxel
Search vendor "Zyxel"
Zywall Vpn300 Firmware
Search vendor "Zyxel" for product "Zywall Vpn300 Firmware"
>= 4.20 < 5.37
Search vendor "Zyxel" for product "Zywall Vpn300 Firmware" and version " >= 4.20 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Zywall Vpn300
Search vendor "Zyxel" for product "Zywall Vpn300"
--
Safe
Zyxel
Search vendor "Zyxel"
Zywall Vpn50 Firmware
Search vendor "Zyxel" for product "Zywall Vpn50 Firmware"
>= 4.20 < 5.37
Search vendor "Zyxel" for product "Zywall Vpn50 Firmware" and version " >= 4.20 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Zywall Vpn50
Search vendor "Zyxel" for product "Zywall Vpn50"
--
Safe
Zyxel
Search vendor "Zyxel"
Zywall Vpn 100 Firmware
Search vendor "Zyxel" for product "Zywall Vpn 100 Firmware"
>= 4.20 < 5.37
Search vendor "Zyxel" for product "Zywall Vpn 100 Firmware" and version " >= 4.20 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Zywall Vpn 100
Search vendor "Zyxel" for product "Zywall Vpn 100"
--
Safe
Zyxel
Search vendor "Zyxel"
Zywall Vpn 300 Firmware
Search vendor "Zyxel" for product "Zywall Vpn 300 Firmware"
>= 4.20 < 5.37
Search vendor "Zyxel" for product "Zywall Vpn 300 Firmware" and version " >= 4.20 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Zywall Vpn 300
Search vendor "Zyxel" for product "Zywall Vpn 300"
--
Safe
Zyxel
Search vendor "Zyxel"
Zywall Vpn 50 Firmware
Search vendor "Zyxel" for product "Zywall Vpn 50 Firmware"
>= 4.20 < 5.37
Search vendor "Zyxel" for product "Zywall Vpn 50 Firmware" and version " >= 4.20 < 5.37"
-
Affected
in Zyxel
Search vendor "Zyxel"
Zywall Vpn 50
Search vendor "Zyxel" for product "Zywall Vpn 50"
--
Safe