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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Bleeping Computer

MAY 25, 2023

Zyxel is warning customers of two critical-severity vulnerabilities in several of its firewall and VPN products that attackers could leverage without authentication. [.]

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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 Affairs

NOVEMBER 25, 2024

Zyxel warns that a ransomware group has been observed exploiting a recently patched command injection issue in its firewalls. Zyxel warns that a ransomware gang has been observed exploiting a recently patched command injection vulnerability, tracked as CVE-2024-42057, in its firewalls for initial compromise.

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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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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

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

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

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

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 21, 2020

Hackers attempted to exploit a zero-day flaw in the Sophos XG firewall to distribute ransomware to Windows machines, but the attack was blocked. It was designed to download payloads intended to exfiltrate XG Firewall-resident data. Passwords associated with external authentication systems such as AD or LDAP are unaffected.

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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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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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SecureWorld News

SEPTEMBER 4, 2022

VPNs or Virtual Private Networks were born out of necessity for businesses to keep their data safe while employees accessed these private networks. Unlike the original PPTP protocol, VPN allows many users and devices simultaneous access to private networks across a very public internet.

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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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Security Affairs

DECEMBER 11, 2024

has charged a Chinese national for hacking thousands of Sophos firewall devices worldwide in 2020. has charged the Chinese national Guan Tianfeng (aka gbigmao and gxiaomao) for hacking thousands of Sophos firewall devices worldwide in 2020. It was designed to download payloads intended to exfiltrate XG Firewall-resident data.

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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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Firewall Government VPN Authentication 138

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

Cisco Security

JUNE 15, 2021

As a network and workload security strategy leader, I spend a lot of time thinking about the future of the good old network firewall. Spoiler alert: I’m not going to join the cool club of pronouncing the firewall dead. The two main problems for the firewall to overcome in all those new deployment scenarios are insertion and visibility.

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Security Affairs

NOVEMBER 21, 2024

Threat actors already hacked thousands of Palo Alto Networks firewalls exploiting recently patched zero-day vulnerabilities. Thousands of Palo Alto Networks firewalls have reportedly been compromised in attacks exploiting recently patched zero-day vulnerabilities ( CVE-2024-0012 and CVE-2024-9474 ) in PAN-OS. This week, the U.S.

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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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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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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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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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VPN Authentication Firewall Risk 93

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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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

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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eSecurity Planet

JANUARY 16, 2024

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. This vulnerability is tracked as CVE-2024-21591.

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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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Security Affairs

OCTOBER 24, 2024

Cisco addressed multiple vulnerabilities in Adaptive Security Appliance (ASA), Secure Firewall Management Center (FMC), and Firepower Threat Defense (FTD) products, including an actively exploited flaw tracked as CVE-2024-20481. is a Denial of Service (DoS) issue that impacts the Remote Access VPN (RAVPN) service of ASA and FTD.

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Security Affairs

JULY 3, 2023

Researchers reported that there are 490,000 Fortinet firewalls exposing SSL VPN interfaces on the internet, and roughly 69% of them are still vulnerable to CVE-2023-27997. For this reason, if the customer has SSL-VPN enabled, Fortinet is advising customers to take immediate action to upgrade to the most recent firmware release.

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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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Security Affairs

NOVEMBER 29, 2022

In early October, Fortinet addressed the critical authentication bypass flaw, tracked as CVE-2022-40684, that impacted FortiGate firewalls and FortiProxy web proxies. On October 18, Fortinet confirmed the critical authentication bypass vulnerability is being exploited in the wild. ” concludes the post. Pierluigi Paganini.

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