CVE-2022-26531

CVE-2022-26531 stems from multiple improper input validation flaws in Zyxel devices (USG/ZyWALL, USG FLEX, ATP, VPN, NSG, NXC2500, NAP203, NWA50AX, WAC500, WAX510D) across firmware ranges up to 4.71/5.21/6.x, enabling a local authenticated attacker to trigger a buffer overflow or system crash via...

Zyxel Firewall SetWanPortSt command injection

Added: 05/20/2022 Background Zyxel Firewalls are a business solution providing protection from malware and unauthorized access. Problem Zyxel USG FLEX, ATP series, and VPN series firewalls are affected by a vulnerability in the SetWanPortSt command which could allow an attacker to inject arbitrar...

Zyxel Firewall ZTP Unauthenticated Command Injection

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Zyxel Firewall ZTP Unauthenticated Command Injection', 'Description' = %q This module exploits CVE-2022-30525, an unauthenticated remote command...

Zyxel Firewall ZTP Unauthenticated Command Injection Exploit

This Metasploit module exploits CVE-2022-30525, an unauthenticated remote command injection vulnerability affecting Zyxel firewalls with zero touch provisioning ZTP support. By sending a malicious setWanPortSt command containing an mtu field with a crafted OS command to the /ztp/cgi-bin/handler...

CVE-2022-30525 (FIXED): Zyxel Firewall Unauthenticated Remote Command Injection

Rapid7 discovered and reported a vulnerability that affects Zyxel firewalls supporting Zero Touch Provisioning ZTP, which includes the ATP series, VPN series, and the USG FLEX series including USG20-VPN and USG20W-VPN. The vulnerability, identified as CVE-2022-30525, allows an unauthenticated and...

CVE-2022-30525: Improper Neutralization of Special Elements used in an OS Command

A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100W firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1,...

Zyxel Firewall ZTP Unauthenticated Command Injection

This module exploits CVE-2022-30525, an unauthenticated remote command injection vulnerability affecting Zyxel firewalls with zero touch provisioning ZTP support. By sending a malicious setWanPortSt command containing an mtu field with a crafted OS command to the /ztp/cgi-bin/handler page, an...

CVE-2022-0342

CVE-2022-0342 describes an authentication bypass in Zyxel CGI web interfaces across multiple product lines (USG/ZyWALL, USG FLEX, ATP, VPN, NSG) with firmware ranges 4.20–4.70, 4.50–5.20, 4.32–5.20, 4.30–5.20, and 1.20–1.33 Patch 4. The flaw allows bypassing web authentication to obtain administr...

PT-2022-3379

Name of the Vulnerable Software and Affected Versions ZyXEL USG/ZyWALL series firmware versions 4.35 through 4.70 ZyXEL USG FLEX series firmware versions 4.50 through 5.20 ZyXEL ATP series firmware versions 4.35 through 5.20 ZyXEL VPN series firmware versions 4.35 through 5.20 Description A...

PT-2022-2061

Name of the Vulnerable Software and Affected Versions Zyxel USG/ZyWALL series versions 4.20 through 4.70 Zyxel USG FLEX series versions 4.50 through 5.20 Zyxel ATP series versions 4.32 through 5.20 Zyxel VPN series versions 4.30 through 5.20 Zyxel NSG series versions V1.20 through V1.33 Patch 4...

4 Key Questions for Zero-Trust Success

Historically, securing remote access was primarily done using VPNs. However, as enterprises have begun to understand the principles of zero trust, which states that no user may access any data source without first being authenticated, VPNs are proving to be insufficient. The demand for secure...

Phishing Attack Prevention — How to Spot, What Should Do❓ | Wallarm

Phishing Attack Prevention — How to Spot, What Should Do❓ No business, small or large, is impervious to phishing attacks. Some of the largest-scale attacks have been on renowned multi-million dollar corporations. Fortunately, there is a light at the end of the tunnel. It is possible to defend...

Google Searches Expose Stolen Corporate Credentials

Attackers behind a recently discovered phishing campaign have unintentionally left more than 1,000 stolen credentials available online via simple Google searches, researchers have found. The campaign, which began in August 2020, used e-mails that spoof notifications from Xerox scans to lure victi...

Hackers Accidentally Expose Passwords Stolen From Businesses On the Internet

A new large-scale phishing campaign targeting global organizations has been found to bypass Microsoft Office 365 Advanced Threat Protection ATP and steal credentials belonging to over a thousand corporate employees. The cyber offensive is said to have originated in August last year, with the...

CVE-2020-29299

Certain Zyxel products allow command injection by an admin via an input string to chgexppwd during a password-change action. This affects VPN On-premise before ZLD V4.39 week38, VPN Orchestrator before SD-OS V10.03 week32, USG before ZLD V4.39 week38, USG FLEX before ZLD V4.55 week38, ATP before...

Command injection

Certain Zyxel products allow command injection by an admin via an input string to chgexppwd during a password-change action. This affects VPN On-premise before ZLD V4.39 week38, VPN Orchestrator before SD-OS V10.03 week32, USG before ZLD V4.39 week38, USG FLEX before ZLD V4.55 week38, ATP before...

CVE-2020-29299

Certain Zyxel products allow command injection by an admin via an input string to chgexppwd during a password-change action. This affects VPN On-premise before ZLD V4.39 week38, VPN Orchestrator before SD-OS V10.03 week32, USG before ZLD V4.39 week38, USG FLEX before ZLD V4.55 week38, ATP before...

CVE-2020-29299

CVE-2020-29299 affects Zyxel SD-OS/On-Premise lines (VPN On-Premise, VPN Orchestrator, USG, USG FLEX, ATP, NSG). A command injection occurs via an admin-provided input string to chg_exp_pwd during a password-change action. Root cause stated in multiple sources: lack of input validation/cleanup in...

CVE-2020-29299: Improper Neutralization of Special Elements used in a Command

Certain Zyxel products allow command injection by an admin via an input string to chgexppwd during a password-change action. This affects VPN On-premise before ZLD V4.39 week38, VPN Orchestrator before SD-OS V10.03 week32, USG before ZLD V4.39 week38, USG FLEX before ZLD V4.55 week38, ATP before...

PT-2020-17137

Name of the Vulnerable Software and Affected Versions Zyxel VPN On-premise versions prior to ZLD V4.39 week38 Zyxel VPN Orchestrator versions prior to SD-OS V10.03 week32 Zyxel USG versions prior to ZLD V4.39 week38 Zyxel USG FLEX versions prior to ZLD V4.55 week38 Zyxel ATP versions prior to ZLD...