CVE-2024-7203: Improper Neutralization of Special Elements used in an OS Command

A post-authentication command injection vulnerability in Zyxel ATP series firmware versions from V4.60 through V5.38 and USG FLEX series firmware versions from V4.60 through V5.38 could allow an authenticated attacker with administrator privileges to execute some operating system OS commands on a...

PT-2024-6024 · Zyxel · Zyxel Usg Flex Series +3

Name of the Vulnerable Software and Affected Versions: Zyxel ATP series firmware versions from V4.32 through V5.38 Zyxel USG FLEX series firmware versions from V4.50 through V5.38 Zyxel USG FLEX 50W series firmware versions from V4.16 through V5.38 Zyxel USG20W-VPN series firmware versions from...

PT-2024-6029

Name of the Vulnerable Software and Affected Versions Zyxel ATP series versions V4.32 through V5.38 Zyxel USG FLEX series versions V4.50 through V5.38 Zyxel USG FLEX 50W series versions V5.20 through V5.38 Zyxel USG20W-VPN series versions V5.20 through V5.38 Description A null pointer dereference...

Zyxel parse_config.py Command Injection

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Zyxel parseconfig.py Command Injection', 'Description' = %q This module exploits vulnerabilities in multiple Zyxel devices including the VPN, USG...

PT-2024-6119

Name of the Vulnerable Software and Affected Versions Zyxel ATP series firmware versions from V4.60 through V5.38 Zyxel USG FLEX series firmware versions from V4.60 through V5.38 Description A post-authentication command injection issue exists in the firmware of Zyxel ATP and USG FLEX series...

PT-2024-6027

Name of the Vulnerable Software and Affected Versions Zyxel ATP series versions V4.32 through V5.38 Zyxel USG FLEX series versions V4.50 through V5.38 Zyxel USG FLEX 50W series versions V4.16 through V5.38 Zyxel USG20W-VPN series versions V4.16 through V5.38 Description A buffer overflow...

Zyxel IKE Packet Decoder - Unauthenticated Remote Code Execution (Metasploit)

Exploit Title: Zyxel IKE Packet Decoder Unauthenticated Remote Code Execution Date: 2023-03-31 Exploit Author: sf Vendor Homepage: https://www.zyxel.com/ Software Link: https://www.zyxel.com/ Version: ATP Firmware version 4.60 to 5.35 inclusive, USG FLEX Firmware version 4.60 to 5.35 inclusive, V...

Upcoming Speaking Engagements

This is a current list of where and when I am scheduled to speak: Im giving a webinar via Zoom on Wednesday, May 22, at 11:00 AM ET. The topic is "Should the USG Establish a Publicly Funded AI Option?" The list is maintained on this page...

ZyXEL USG FLEX FTP Arbitrary Command Execution

The vulnerability of the File Transfer Protocol FTP implementation in microprogrammed network devices such as ZyXEL USG FLEX, USG FLEX 50W/USG20W-VPN, USG FLEX H, and ATP lies in the lack of measures to neutralize special elements used in operating system commands during the loading of binary...

PT-2024-1935 · Zyxel · Zyxel Usg +1

Name of the Vulnerable Software and Affected Versions: Zyxel USG and Zyxel VPN affected versions not specified Description: The issue is related to a buffer overflow in the memory of the SMB service in the firmware of Zyxel USG and Zyxel VPN firewalls and VPN devices. This can be exploited by a...

Exploit for OS Command Injection in Zyxel Usg_Flex_100W_Firmware

CVE-2022-30525 Zyxel Firewall Remote Command Injection A py...

CVE-2023-6764

A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50W series firmware versions from 4.16 through 5.37 Patch 1, and USG20W-VPN series...

CVE-2023-6764

A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50W series firmware versions from 4.16 through 5.37 Patch 1, and USG20W-VPN series...

Format string

A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50W series firmware versions from 4.16 through 5.37 Patch 1, and USG20W-VPN series...

CVE-2023-6399

A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50W series firmware versions from 4.16 through 5.37 Patch 1, USG20W-VPN series firmware versions from 4.16 through 5.37...

CVE-2023-6398

A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50W series firmware versions from 4.16 through 5.37 Patch 1, USG20W-VPN...

CVE-2023-6397

A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service DoS conditions by downloading a crafted RAR compressed fil...

Null pointer dereference

A null pointer dereference vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1 and USG FLEX series firmware versions from 4.50 through 5.37 Patch 1 could allow a LAN-based attacker to cause denial-of-service DoS conditions by downloading a crafted RAR compressed fil...

Format string

A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50W series firmware versions from 4.16 through 5.37 Patch 1, USG20W-VPN series firmware versions from 4.16 through 5.37...

CVE-2023-6764

A format string vulnerability in a function of the IPSec VPN feature in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50W series firmware versions from 4.16 through 5.37 Patch 1, and USG20W-VPN series...