PT-2023-2851

Name of the Vulnerable Software and Affected Versions Zyxel ATP series versions 4.32 through 5.36 Patch 1 Zyxel USG FLEX series versions 4.50 through 5.36 Patch 1 Zyxel USG FLEX 50W versions 4.25 through 5.36 Patch 1 Zyxel USG20W-VPN versions 4.25 through 5.36 Patch 1 Zyxel VPN series versions 4....

CVE-2023-33009

A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.60 through 5.36 Patch 1, USG FLEX series firmware versions 4.60 through 5.36 Patch 1, USG FLEX 50W firmware versions 4.60 through 5.36 Patch 1, USG20W-VPN firmware versions 4.60 through 5.36 Patch...

CVE-2023-33010

A buffer overflow vulnerability in the ID processing function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50W firmware versions 4.25 through 5.36 Patch 1, USG20W-VPN firmware versions 4.25 through 5.36 Patc...

The vulnerability of microprogrammed software in network devices such as Zyxel ZyWALL/USG, VPN, USG FLEX, ATP allows a perpetrator to execute arbitrary commands.

The vulnerability of Zyxel ZyWALL/USG, VPN, USG FLEX, and ATP network devices exists due to the lack of measures taken to neutralize special elements used in the operating system commands. Exploiting this vulnerability allows a malicious actor to execute arbitrary commands remotely...

CVE-2023-33010

CVE-2023-33010 is a high-severity (CVSS 3.1: 9.8) buffer overflow in the ID processing function of Zyxel firewalls (ATP, USG FLEX, USG, ZyWALL/VPN) that can be exploited without authentication to cause DoS and remote code execution. Affected firmware ranges include Zyxel ATP 4.32–5.36 Patch 1, US...

CVE-2023-33009

CVE-2023-33009 is a buffer-overflow vulnerability in the notification function across Zyxel firewall/NGFW families (ATP, USG FLEX, VPN, ZyWALL/USG) with affected firmware ranges roughly 4.60–5.36 Patch 1 (and ZyWALL/USG 4.60–4.73 Patch 1). An unauthenticated attacker could trigger denial-of-servi...

Zyxel Firewall Devices Vulnerable to Remote Code Execution Attacks — Patch Now

Networking equipment maker Zyxel has released patches for a critical security flaw in its firewall devices that could be exploited to achieve remote code execution on affected systems. The issue, tracked as CVE-2023-28771, is rated 9.8 on the CVSS scoring system. Researchers from TRAPA Security...

Malicious code in bjss-atp-web (npm)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 7046ba13fe73d317a4a8d1b70db5fcb53d3b4e6c05b9682fa438e6dc855834ea The OpenSSF Package Analysis project identified 'bjss-atp-web' @ 9.0.3 npm as malicious. It is considered malicious because: - The package...

MAL-2023-1125 Malicious code in bjss-atp-web (npm)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 7046ba13fe73d317a4a8d1b70db5fcb53d3b4e6c05b9682fa438e6dc855834ea The OpenSSF Package Analysis project identified 'bjss-atp-web' @ 9.0.3 npm as malicious. It is considered malicious because: - The package...

CVE-2023-28771

Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to...

Vulnerabilities fixed in Zyxel Firewalls and Access Points

Zyxel has fixed vulnerabilities in the firmware of several USG, APT, VPN and ZyWall systems. A malicious party can exploit the vulnerabilities exploit them for attacks that can result in the following categories of damage: Cross-Site Scripting XSS Denial-of-Service DoS. Remote code execution...

CVE-2023-28771

CVE-2023-28771 is an OS command injection in Zyxel devices (ZyWALL/USG, VPN, USG FLEX, ATP) due to improper error message handling. A unauthenticated attacker can remotely execute commands by sending crafted UDP/IKE-related packets to affected firmware: Zyxel ATP, USG FLEX, VPN, and ZyWALL/USG li...

CVE-2023-27990

The cross-site scripting XSS vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50W firmware versions 4.16 through 5.35, USG20W-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through...

CVE-2023-27991

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50W firmware versions 4.16 through 5.35, USG20W-VPN firmware versions 4.16 through 5.35, and VPN series...

CVE-2023-22918

A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50W firmware versions 4.16 through 5.35, USG20W-VPN firmware versions 4.16 through 5.35, VPN series...

CVE-2023-27991

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50W firmware versions 4.16 through 5.35, USG20W-VPN firmware versions 4.16 through 5.35, and VPN series...

Command injection

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50W firmware versions 4.16 through 5.35, USG20W-VPN firmware versions 4.16 through 5.35, and VPN series...

Cross site scripting

The cross-site scripting XSS vulnerability in Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50W firmware versions 4.16 through 5.35, USG20W-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through...

CVE-2023-22916

The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50W firmware versions 5.10 through 5.35, USG20W-VPN firmware versions 5.10 through 5.35, and VPN series firmware versions 5.00 through 5.35, which fails ...

Buffer overflow

A buffer overflow vulnerability in the “sdwanifaceipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG FLEX series firmware versions 5.00 through 5.32, USG FLEX 50W firmware versions 5.10 through 5.32, USG20W-VPN firmware versions 5.10 through 5.32, and VPN series firmware...