Mguard Firmware Security Vulnerabilities

CVE-2023-2673

Improper Input Validation vulnerability in PHOENIX CONTACT FL/TC MGUARD Family in multiple versions may allow UDP packets to bypass the filter rules and access the solely connected device behind the MGUARD which can be used for flooding...

CVE-2022-3480

A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 by sending a larger number of unauthenticated HTTPS connections originating from different source IP’s. Configuring firewall limits for incoming connections...

CVE-2012-3006

The Innominate mGuard Smart HW before HW-101130 and BD before BD-101030, mGuard industrial RS, mGuard delta HW before HW-103060 and BD before BD-211010, mGuard PCI, mGuard blade, and EAGLE mGuard appliances with software before 7.5.0 do not use a sufficient source of entropy for private keys,...

CVE-2021-34598

In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 the remote logging functionality is impaired by the lack of memory release for data structures from syslog-ng when remote logging is...

CVE-2021-34582

In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTML code (XSS) through web-based management or the REST API with a manipulated certificate...

CVE-2020-12523

On Phoenix Contact mGuard Devices versions before 8.8.3 LAN ports get functional after reboot even if they are disabled in the device configuration. For mGuard devices with integrated switch on the LAN side, single switch ports can be disabled by device configuration. After a reboot these ports...

CVE-2018-5441

An Improper Validation of Integrity Check Value issue was discovered in PHOENIX CONTACT mGuard firmware versions 7.2 to 8.6.0. mGuard devices rely on internal checksums for verification of the internal integrity of the update packages. Verification may not always be performed correctly, allowing...

CVE-2017-7935

A Resource Exhaustion issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2. An attacker may compromise the device's availability by performing multiple initial VPN...

CVE-2017-7937

An Improper Authentication issue was discovered in Phoenix Contact GmbH mGuard firmware versions 8.3.0 to 8.4.2. An attacker may be able to gain unauthorized access to the user firewall when RADIUS servers are...

CVE-2017-5159

An issue was discovered on Phoenix Contact mGuard devices that have been updated to Version 8.4.0. When updating an mGuard device to Version 8.4.0 via the update-upload facility, the update will succeed, but it will reset the password of the admin user to its default...

CVE-2015-3966

The IPsec SA establishment process on Innominate mGuard devices with firmware 8.x before 8.1.7 allows remote authenticated users to cause a denial of service (VPN service restart) by leveraging a peer relationship to send a crafted configuration with...

CVE-2014-9193

Innominate mGuard with firmware before 7.6.6 and 8.x before 8.1.4 allows remote authenticated admins to obtain root privileges by changing a PPP configuration...

CVE-2014-2356

Innominate mGuard before 7.6.4 and 8.x before 8.0.3 does not require authentication for snapshot downloads, which allows remote attackers to obtain sensitive information via a crafted HTTPS...