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VulnRecap 1/16/24 – Major Firewall Issues Persist

eSecurity Planet

Keep an eye out for security announcements from your firewall vendors; it’s possible additional similar vulnerabilities will come to light. The problem: Juniper Networks released a bulletin about a remote code execution vulnerability in its SRX firewalls and EX switches. xml through the download portal. 20240107.1.xml

Firewall 109
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How to Perform a Firewall Audit in 11 Steps (+Free Checklist)

eSecurity Planet

A firewall audit is a procedure for reviewing and reconfiguring firewalls as needed so they still suit your organization’s security goals. Auditing your firewall is one of the most important steps to ensuring it’s still equipped to protect the perimeter of your business’ network.

Firewall 113
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How To Set Up a Firewall in 8 Easy Steps + Best Practices

eSecurity Planet

Setting up a firewall is the first step in securing your network. A successful firewall setup and deployment requires careful design, implementation, and maintenance to effectively improve your network integrity and data security. Verify that the chosen firewall can meet your security standards and functions.

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Update now! Zyxel patches critical firewall bypass vulnerability

Malwarebytes

In a security advisory Zyxel has urged customers to update because a security flaw can lead to the circumvention of firewall protection in several Zyxel products. Affected series Affected firmware version Patch availability USG/ZyWALL ZLD V4.20 The vulnerability. through ZLD V4.70 USG FLEX ZLD V4.50 through ZLD V5.20 through ZLD V5.20

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Zyxel patches two critical vulnerabilities

Malwarebytes

Exploitation of these vulnerabilities could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on the affected Zyxell firewalls. Patch 1, USG FLEX series firmware versions 4.50 Patch 1, USG FLEX 50(W) firmware versions 4.25 Patch 1, USG20(W)-VPN firmware versions 4.25

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Multiple DDoS botnets were observed targeting Zyxel devices

Security Affairs

Fortinet FortiGuard Labs researchers warned of multiple DDoS botnets exploiting a vulnerability impacting multiple Zyxel firewalls. The cause of the vulnerability is the 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. through 5.35.

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Alfer Microsoft, also SonicWall confirmed that its products were affected by Y2K22 bug

Security Affairs

SonicWall confirmed that some of its Email Security and firewall products have been impacted by the Y2K22 bug. Security vendor SonicWall confirmed that some of its Email Security and firewall products have been impacted by the Y2K22 bug. x firmware in MySonicWall downloads section for TZ, NSA and SOHO platforms.