What is SSL VPN?

Deciphering SSL VPN: An In-depth Perspective Pivoting our lens towards data in this digital era, akin to the transition observed during the oil boom, we've realized that the fodder for importance today is safeguarding data while it voyages through global networks. SSL VPN Secure Sockets Layer...

Mitsubishi Electric GX Works2

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 2.5 ATTENTION : Exploitable locally Vendor : Mitsubishi Electric Corporation Equipment : GX Works2 Vulnerability : Denial-of-Service 2. RISK EVALUATION Successful exploitation of these vulnerabilities could allow a Denial-of-service DoS due to improper input...

FESTO Automation Suite, FluidDraw, and Festo Didactic Products

GENERAL RECOMENDATION Users running communication over an untrusted network who require full protection should switch to an alternative solution such as running the communication over a VPN. Festo strongly recommends to minimize and protect network access to connected devices with state of the...

CVE-2023-5960

An improper privilege management vulnerability in the hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.37 and VPN series firmware versions 4.30 through 5.37 could allow an authenticated local attacker to access the system files on an affected device...

Privilege escalation

An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50W series firmware versions 4.16 through 5.37, USG20W-VPN series firmware versions 4.16 through 5.37,...

Input validation

An improper input validation vulnerability in the “Quagga” package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50W series firmware versions 4.16 through 5.37, USG20W-VPN series firmware versions 4.16 through 5.37, and...

Buffer overflow

A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50W series firmware version 5.37, and USG20W-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause...

Buffer overflow

A buffer overflow vulnerability in the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50W series firmware versions 4.16 through 5.37, USG20W-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30...

Privilege escalation

An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50W series firmware versions 4.16 through 5.37, USG20W-VPN series firmware versions 4.16 through 5.37, and VPN seri...

CVE-2023-4398

An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50W series firmware versions 4.16 through 5.37, USG20W-VPN series...

CVE-2023-4398

The CVE-2023-4398 issue is an integer overflow in the QuickSec IPSec toolkit used by Zyxel device VPN features (ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, and VPN series). An unauthenticated attacker can trigger DoS by sending a crafted IKE packet, as documented in the affected firmware ranges ...

CVE-2023-4398

An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50W series firmware versions 4.16 through 5.37, USG20W-VPN series...

CVE-2023-37926

The CVE-2023-37926 issue affects Zyxel devices including ATP series 4.32–5.37, USG FLEX series 4.50–5.37, USG FLEX 50(W) 4.16–5.37, USG20(W)-VPN 4.16–5.37, and VPN series 4.30–5.37. It is a buffer overflow in firmware that enables an authenticated local attacker to cause denial-of-service by runn...

CVE-2023-37925

CVE-2023-37925 describes an improper privilege management vulnerability in the debug CLI command on Zyxel devices (ATP series 4.32–5.37; USG FLEX series 4.50–5.37; USG FLEX 50(W) 4.16–5.37; USG20(W)-VPN 4.16–5.37; VPN 4.30–5.37; NWA50AX 6.29(ABYW.2); WAC500 6.65(ABVS.1); WAX300H 6.60(ACHF.1); WBE...

CVE-2023-35136

An improper input validation vulnerability in the “Quagga” package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50W series firmware versions 4.16 through 5.37, USG20W-VPN series firmware versions 4.16 through 5.37, and...

CVE-2023-35136

CVE-2023-35136 describes an improper input validation vulnerability in the Quagga package across Zyxel devices (ATP series 4.32–5.37; USG FLEX 4.50–5.37; USG FLEX 50(W) 4.16–5.37; USG20(W)-VPN 4.16–5.37; VPN series 4.30–5.37) that could allow an authenticated local attacker to access configuratio...

CVE-2023-5797: Improper Privilege Management

An improper privilege management vulnerability in the debug CLI command of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50W series firmware versions 4.16 through 5.37, USG20W-VPN series firmware versions 4.16 through 5.37,...

CVE-2023-5650: Improper Privilege Management

An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50W series firmware versions 4.16 through 5.37, USG20W-VPN series firmware versions 4.16 through 5.37, and VPN seri...

CVE-2023-35139: Improper Neutralization of Input During Web Page Generation

A cross-site scripting XSS vulnerability in the CGI program of the Zyxel ATP series firmware versions 5.10 through 5.37, USG FLEX series firmware versions 5.00 through 5.37, USG FLEX 50W series firmware versions 5.10 through 5.37, USG20W-VPN series firmware versions 5.10 through 5.37, and VPN...

CVE-2023-4397: Buffer Copy without Checking Size of Input

A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50W series firmware version 5.37, and USG20W-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause...