Security Affairs

OCTOBER 25, 2024

is a Denial of Service (DoS) issue that impacts the Remote Access VPN (RAVPN) service of ASA and FTD. An attacker could exploit this vulnerability by sending a large number of VPN authentication requests to an affected device. Services that are not related to VPN are not affected.” reads the advisory.

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Security Affairs

APRIL 1, 2022

Zyxel issued security updates for a critical vulnerability that affects some of its business firewall and VPN devices. Networking equipment vendor Zyxel has pushed security updates for a critical flaw, tracked as CVE-2022-0342 (CVSS 9.8), that affects some of its business firewall and VPN products. Patch 1 VPN ZLD V4.30

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Security Affairs

MAY 26, 2022

Zyxel addressed multiple vulnerabilities impacting many of its products, including APs, AP controllers, and firewalls. Zyxel has released security updates to address multiple vulnerabilities affecting multiple products, including firewall, AP, and AP controller products. Follow me on Twitter: @securityaffairs and Facebook.

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Cisco Security

JULY 9, 2021

With Cisco Secure Firewall, organizations are able to build a scalable RAVPN architecture on OCI, providing employees secure remote access to their organization’s resources from any location or endpoint. Cisco Duo – Multi-factor authentication from Duo protects the network by using a second source of validation and authentication.

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Security Affairs

MARCH 29, 2024

Cisco warns customers of password-spraying attacks that have been targeting Remote Access VPN (RAVPN) services of Cisco Secure Firewall devices. Cisco is warning customers of password-spraying attacks that have been targeting Remote Access VPN (RAVPN) services configured on Cisco Secure Firewall devices.

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Security Affairs

MAY 25, 2023

Zyxel fixed two critical flaws in multiple firewall and VPN products that can lead to remote code execution or cause a DoS condition. Zyxel addressed two critical buffer overflow vulnerabilities, tracked as CVE-2023-33009 and CVE-2023-33010 , that affect several of its firewall and VPN products. Patch 2 VPN ZLD V4.30

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Security Affairs

APRIL 16, 2024

Cisco Talos warns of large-scale brute-force attacks against a variety of targets, including VPN services, web application authentication interfaces and SSH services.

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Security Affairs

FEBRUARY 27, 2024

Taiwanese vendor Zyxel warns of security vulnerabilities in its firewalls and access points, including a remote code execution flaw. Taiwanese networking vendor Zyxel addressed four vulnerabilities, respectively tracked as CVE-2023-6397 , CVE-2023-6398 , CVE-2023-6399 , and CVE-2023-6764 , in its firewalls and access points.

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Security Affairs

SEPTEMBER 29, 2021

CISA and the NSA agencies have published guidance for securely using virtual private network (VPN) solutions. Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance for increasing the security of virtual private network (VPN) solutions.

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Security Affairs

MAY 29, 2024

Check Point released hotfixes for a VPN zero-day vulnerability, tracked as CVE-2024-24919, which is actively exploited in attacks in the wild. Check Point released hotfixes to address a VPN zero-day vulnerability, tracked as CVE-2024-24919 , which is actively being exploited in attacks in the wild. Impacted versions are R80.20.x,

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Security Boulevard

APRIL 17, 2025

The Old Guard: Firewalls, VPNs and Exposed Control Planes Cyberattacks have evolved beyond the perimeter. No longer limited to opportunistic breaches, attackers are now executing coordinated campaigns that target the very foundations of enterprise network infrastructure firewalls, VPNs, and control planes. The takeaway?

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Security Affairs

OCTOBER 16, 2020

The Tripwire VERT security team spotted almost 800,000 SonicWall VPN appliances exposed online that are vulnerable to the CVE-2020-5135 RCE flaw. Security experts from the Tripwire VERT security team have discovered 795,357 SonicWall VPN appliances that were exposed online that are vulnerable to the CVE-2020-5135 RCE flaw.

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The Hacker News

MARCH 31, 2022

Networking equipment maker Zyxel has pushed security updates for a critical vulnerability affecting some of its business firewall and VPN products that could enable an attacker to take control of the devices. "An

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Security Affairs

MAY 8, 2024

TunnelVision is a new VPN bypass technique that enables threat actors to spy on users’ traffic bypassing the VPN encapsulation. Leviathan Security researchers recently identified a novel attack technique, dubbed TunnelVision, to bypass VPN encapsulation. The researchers referred to this result as “decloaking.”

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Security Affairs

JULY 16, 2020

Cisco addresses a critical remote code execution (RCE), authentication bypass, and static default credential flaws that could lead to full router takeover. The post Cisco fixes 5 critical flaws that could allow router firewall takeover appeared first on Security Affairs. Pierluigi Paganini. SecurityAffairs – hacking, Cisco).

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Adam Levin

MARCH 19, 2020

Here are five ways VPNs can keep remote employees secure. Better Network and Firewall Protection: By routing an employee’s internet traffic through your company network, you can provide the same firewalls and network-level protection that they’d have working at an office with robust cybersecurity defenses.

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Security Affairs

DECEMBER 3, 2023

Zyxel addressed tens of vulnerabilities that expose users to cyber attacks, including command injection and authentication bypass. Taiwanese vendor Zyxel addressed tens of vulnerabilities in its firewalls and access points.

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Security Affairs

FEBRUARY 18, 2025

The two vulnerabilities are: CVE-2025-0108 Palo Alto PAN-OS Authentication Bypass Vulnerability CVE-2024-53704 SonicWall SonicOS SSLVPN Improper Authentication Vulnerability Researchers recently warned that threat actors exploit a recently disclosed vulnerability, CVE-2025-0108, in Palo Alto Networks PAN-OS firewalls.

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Duo's Security Blog

JANUARY 11, 2024

Secure Cisco VPN logins in less than an hour Authenticate users in seconds Verify user + device posture Blog unmanaged devices Mitigate modern security threats with phishing-resistant authentication Join the thousands of Cisco firewall customers who take advantage of protecting Cisco VPN logins with Cisco Duo Single Sign-On via SAML 2.0

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Security Affairs

JUNE 29, 2020

Palo Alto Networks addressed a critical flaw in the PAN-OS of its next-generation firewalls that could allow attackers to bypass authentication. OS ) that powers its next-generation firewalls that could allow unauthenticated network-based attackers to bypass authentication. x base score of 10. . x base score of 10.

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eSecurity Planet

NOVEMBER 4, 2021

We use passwords to authenticate our users, run antivirus to keep malware off our endpoints , monitor our networks, and implement firewalls so we can have multiple defenses against attackers. Also read: Fine-tuning Firewall Rules: 10 Best Practices. A fundamental cornerstone of security is layers. RDP: A Pre-Cloud Solution.

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VPN Firewall Encryption Passwords 123

Security Affairs

OCTOBER 29, 2024

Change passwords : After malware removal, update passwords for key accounts (email, banking, work, social media) and enable two-factor authentication. Update software : Keep your operating system, security software, and firewall up to date to patch vulnerabilities. Report stolen data : Notify relevant parties if sensitive details (e.g.,

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The Last Watchdog

MARCH 6, 2021

Set-up 2-factor authentication. Two-factor authentication or two-step verification involves adding a step to add an extra layer of protection to accounts. Many people use a virtual private network (VPN) to bypass geographic restrictions on streaming sites or other location-specific content. Set up firewalls.

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VPN Passwords Firewall Risk 214

Security Affairs

OCTOBER 10, 2019

A vulnerability in Sophos Cyberoam firewalls could be exploited by an attacker to gain access to a target’s internal network without authentication. Sophos addressed a vulnerability in its Cyberoam firewalls that could be exploited by an attacker to gain access to a company’s internal network without providing a password.

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Security Affairs

APRIL 26, 2019

One in four internet users use a VPN regularly, but how much does the average user know about what goes on behind the software? Pulling back the curtain, a VPN runs on various VPN protocols that govern the way a VPN client communicates with a VPN server. However, the speed comes at the cost of encryption.

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Security Affairs

APRIL 24, 2024

Nation-state actor UAT4356 has been exploiting two zero-days in ASA and FTD firewalls since November 2023 to breach government networks. By redirecting the pointer to the Line Dancer interpreter, attackers can interact with the device through POST requests without authentication.

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Malwarebytes

NOVEMBER 6, 2024

Lock things down Having a strict policy to protect your important assets with strong passwords and multi-factor authentication (MFA) should be a no-brainer. Use a firewall and VPN A firewall protects an entry point to a network while a VPN creates an encrypted tunnel between two networks.

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eSecurity Planet

AUGUST 27, 2024

A virtual private network (VPN) does more than just mask your identity—it fundamentally changes how your data moves across the internet. But what’s really going on under the hood when you browse the web using a VPN? Step 3: Data Transmission to the VPN Server The encrypted data is then transmitted to the VPN server.

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The Last Watchdog

JUNE 22, 2022

VPNs encrypt data streams and protect endpoints from unauthorized access, essentially by requiring all network communications to flow over a secured pipe. However, VPN pipes have become less efficient with the rising use of personally-owed mobile devices increasing reliance on cloud-centric IT resources.

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The Hacker News

JUNE 11, 2023

Fortinet has released patches to address a critical security flaw in its FortiGate firewalls that could be abused by a threat actor to achieve remote code execution.

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Security Affairs

JUNE 12, 2023

Fortinet released security updates to fix a critical security flaw in its FortiGate firewalls that lead to remote code execution. Fortinet has released security patches to address a critical security vulnerability, tracked as CVE-2023-27997, in its FortiGate firewalls. This is reachable pre-authentication, on every SSL VPN appliance.

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Security Affairs

APRIL 28, 2023

A vulnerability impacting Zyxel firewalls, tracked as CVE-2023-28771, can be exploited to execute arbitary code on vulnerable devices. Researchers from TRAPA Security have discovered a critical remote code execution vulnerability, tracked as CVE-2023-28771 (CVSS score 9.8), impacting Zyxel Firewall. through 5.35. through 5.35.

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eSecurity Planet

JUNE 22, 2022

However, many of these VPN solutions have three significant issues. First, VPNs can be difficult to set up, secure and maintain. Second, VPNs do not scale well and can become congested. Users might decide to bypass the hassle of VPNs and access those cloud resources directly without any additional security protection.

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Duo's Security Blog

OCTOBER 30, 2024

Let's talk about how Duo SSO is revolutionizing FortiGate VPN access. Picture this: You're securing VPN logins in under an hour, authenticating users in seconds and saying goodbye to those pesky stolen credential risks. Connect your FortiGate VPN to Duo SSO using SAML 2.0 (it's Sounds too good to be true?

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VPN Authentication Firewall Risk 88

Security Affairs

SEPTEMBER 24, 2022

Sophos warns that a critical code injection security vulnerability in its Firewall product is actively exploited in the wild. Sophos warns of a critical code injection security vulnerability, tracked as CVE-2022-3236, affecting its Firewall product which is being exploited in the wild. and impacts Firewall versions 18.5

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Malwarebytes

APRIL 4, 2022

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. The flaw could allow an attacker to bypass the authentication and obtain administrative access of the device. Patch 1 VPN ZLD V4.30 The vulnerability. USG FLEX ZLD V4.50

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Security Affairs

JANUARY 23, 2021

The company was targeted with a coordinated attack on its internal systems, threat actors exploited zero-day vulnerabilities in their VPN solutions, such as NetExtender VPN client version 10.x Below the list of affected products shared by THN: NetExtender VPN client version 10.x x and Secure Mobile Access ( SMA ).

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