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. through ZLD V4.70 USG FLEX ZLD V4.50

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Krebs on Security

APRIL 26, 2019

iLnkP2P is designed to allow users of these devices to quickly and easily access them remotely from anywhere in the world, without having to tinker with one’s firewall: Users simply download a mobile app, scan a barcode or enter the six-digit ID stamped onto the bottom of the device, and the P2P software handles the rest.

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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. The vulnerability. through ZLD V4.70 USG FLEX ZLD V4.50

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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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Troy Hunt

NOVEMBER 25, 2020

I also looked at custom firmware and soldering and why, to my mind, that was a path I didn't need to go down at this time. Let's got through the options: Firmware Patching I'll start with the devices themselves and pose a question to you: can you remember the last time you patched the firmware in your light globes? Or vibrator.

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IoT Firmware Risk Manufacturing 362

SC Magazine

FEBRUARY 3, 2021

x firmware. x firmware, which malicious actors exploited in a cyberattack against the infosec firm last month. . SonicWall’s firmware update to version 10.2.0.5-29sv The post SonicWall issues firmware patch after attackers exploited critical bugs appeared first on SC Media. SonicWall). 31 and Feb.

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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

DECEMBER 3, 2024

Cybersecurity and Infrastructure Security Agency (CISA) adds ProjectSend, North Grid Proself, and Zyxel firewalls bugs to its Known Exploited Vulnerabilities catalog. The vulnerability is an improper authentication issue that impacts ProjectSend versions before r1720. appears to have been exploited by attackers in the wild.

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eSecurity Planet

FEBRUARY 21, 2024

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.

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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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Security Affairs

JANUARY 29, 2025

In mid-July 2024, Mitel addressed the vulnerability with the release of firmware updates. The vendor warned that the exploitation of the flaw could allow an authenticated attacker with administrative privilege to conduct a command injection attack due to insufficient parameter sanitization during the boot process. . HF1 (R6.4.0.136).

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Security Affairs

NOVEMBER 14, 2023

The attackers exploited zero-day vulnerabilities in Zyxel firewalls used by many critical infrastructure operators in Denmark. On April 25, 2023, Zyxel disclosed a critical vulnerability (CVSS score 9.8), tracked as CVE-2023-28771 , in a number of their firewalls. through 4.73, VPN series firmware versions 4.60 through 5.35.

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Security Affairs

JANUARY 14, 2024

The attackers exploited zero-day vulnerabilities in Zyxel firewalls used by many critical infrastructure operators in Denmark. On April 25, 2023, Zyxel disclosed a critical vulnerability (CVSS score 9.8), tracked as CVE-2023-28771 , in a number of their firewalls. through 4.73, VPN series firmware versions 4.60 through 5.35.

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Security Affairs

SEPTEMBER 7, 2022

flaw is classified as a format string vulnerability that resides in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0. Below is the list of affected models and the firmware patches released by the company. Zyxel addressed a critical vulnerability, tracked as CVE-2022-34747 , impacting its network-attached storage (NAS) devices.

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Security Affairs

JUNE 13, 2023

“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. The researcher describes the issue as a reachable pre-authentication that impacts every SSL VPN appliance. .” states the report published by Fortinet. through 6.2.13

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Daniel Miessler

MAY 14, 2020

Keep your firmware and software updated. Enable two-factor authentication on all critical accounts. For your most important accounts—such as those controlling your email account, your bank, and your mobile phone account—you should enable two-factor authentication. Everything. Setting up Google 2FA.

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Security Affairs

JUNE 20, 2023

The vulnerability is a pre-authentication command injection issue that impacts the Zyxel NAS326 firmware versions prior to V5.21(AAZF.14)C0, 14)C0, NAS540 firmware versions prior to V5.21(AATB.11)C0, 11)C0, and NAS542 firmware versions prior to V5.21(ABAG.11)C0. in its firewall devices.

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DoublePulsar

JANUARY 15, 2025

Having a full device config including all firewall rules is a lot of information. If you are in scope, may need to change device credentials and assess risk of firewall rules being publicly available. The outlier device appears to have a pre-production version of firmware 7.2.2, In other words, the data is authentic.

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Security Affairs

JANUARY 20, 2020

An attacker with this key can successfully authenticate as this user to the FortiSIEM Supervisor.” While the user’s shell is limited to running the /opt/phoenix/ phscripts /bin/ tunnelshell script, SSH authentication still succeeds.” ” reads the security advisory. ” reads the advisory.

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Malwarebytes

JULY 15, 2021

The exploitation targets a known vulnerability that has been patched in newer versions of SonicWall firmware. x versions of the firmware. x firmware. x firmware versions. SMA 210/410/500v (Actively Supported) update firmware to 9.0.0.10-28sv Devices at risk. This vulnerability has been patched in the later 9.x

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Security Affairs

JUNE 23, 2021

“A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This flaw exists pre-authentication and within a component (SSLVPN) which is typically exposed to the public Internet.”. 6.5.1.12, 6.0.5.3,

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Krebs on Security

JUNE 15, 2023

The directive applies to any networking devices — such as firewalls, routers and load balancers — that allow remote authentication or administration. “This is reachable pre-authentication, on every SSL VPN appliance,” French vulnerability researcher Charles Fol tweeted. “Patch your #Fortigate.”

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Security Affairs

SEPTEMBER 29, 2021

The agencies recommend VPN solutions that implements protections against intrusions, such as the use of signed binaries or firmware images, a secure boot process that verifies boot code before it runs, and integrity validation of runtime processes and files. It is important to use multi-factor authentication.

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Security Affairs

JUNE 23, 2020

Unlike other printer management protocols, the IPP protocol supports multiple security features, including authentication and encryption, but evidently organizations don’t use them. “Obviously, these counts only represent devices that are not firewalled and allow direct querying over the IPv4 Internet.”

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SecureWorld News

NOVEMBER 2, 2023

Exploiting this flaw allows threat actors to hijack legitimate user sessions, bypassing authentication protocols such as passwords and multi-factor authentication. Mandiant emphasized the need for organizations to rely on web application firewalls (WAF) and network appliances recording HTTP/S requests for detection.

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eSecurity Planet

SEPTEMBER 9, 2024

Companies should improve security by deploying endpoint detection and response (EDR), limiting remote access, and utilizing multi-factor authentication. ” To reduce risks, replace unsupported equipment, apply available firmware updates, and keep an accurate IT asset inventory. All impacted models must be updated to version 7.00

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Firmware Backups Firewall Risk 110

Security Affairs

FEBRUARY 25, 2020

. “Multiple ZyXEL network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable device.” “ZyXEL NAS devices achieve authentication by using the weblogin.cgi CGI executable. and earlier.

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eSecurity Planet

OCTOBER 24, 2023

Enable Firewall Protection Your firewall , working as the primary filter, protects your network from both inbound and outgoing threats. Mac and Windows have their own built-in firewalls, and home routers and antivirus subscriptions frequently include them also.

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IT Security Guru

JUNE 22, 2021

Check that your OS, applications and firmware are updated with appropriate patches. Authentication and access control, these include: Ensuring all passwords are changed from defaults. Strengthen authentication by combining passwords with some other form of authentication, such as two-factor. External systems.

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IT Security Guru

SEPTEMBER 27, 2023

Due to the lack of integrity and authentication, Modbus networks have been left vulnerable to a variety of attacks including, but not limited to, Denial of Service (DoS) attacks, code injection and most relevant to this article; reconnaissance attacks. Unfortunately, it being published does not necessarily mean it is implemented.

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eSecurity Planet

MAY 19, 2022

EdgeConnect Enterprise critically comes with firewall , segmentation , and application control capabilities. The first traditional cybersecurity vendor featured is Barracuda Networks, with consistent recognition for its email security , next-generation firewalls ( NGFW ), web application security , and backups.

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Centraleyes

APRIL 7, 2025

Firewalls, Routers, and Switches): Threat Resilience: Devices must demonstrate resistance against known attack vectors, including DDoS attacks, buffer overflows, and man-in-the-middle attempts. Interoperability: High assurance systems must integrate seamlessly with multi-factor authentication frameworks. What Does the EUCC Cover?

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eSecurity Planet

AUGUST 20, 2024

Enable Multi-Factor Authentication (MFA) Even if your password is compromised, MFA adds an extra layer of security by requiring a second verification form, such as a code sent to your phone or generated by an authentication app. Updating firmware on devices like routers and smart home gadgets is also important.

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eSecurity Planet

MARCH 22, 2023

The tools also depend upon physical controls that should also be implemented against malicious physical access to destroy or compromise networking equipment such as routers, cables, switches, firewalls, and other networking appliances. These physical controls do not rely upon IT technology and will be assumed to be in place.

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Security Affairs

MARCH 29, 2019

The expert explained that the TP-Link Device Debug Protocol (TDDP) allows running two types of commands on the device: type 1 which do not require authentication and type 2 which requires administrator credentials. While TDDP listens on all interfaces, the default firewall implemented in the routers prevents network access.

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eSecurity Planet

JULY 25, 2022

There is no firewall that can block these DNS requests. port 53) that can be blocked by some firewalls and conflicts with existing architectures, which could ultimately force users to go back to unencrypted DNS requests. It can prevent DNS spoofing with authentication. DNS hijacking. It relies on a new port (e.g.

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Security Affairs

FEBRUARY 28, 2024

The operation reversibly modified the routers’ firewall rules to block remote management access to the devices. Attackers replaced binaries on compromised EdgeRouters with trojanized OpenSSH server binaries allowing remote attackers to bypass authentication. Upgrade to the latest firmware version.

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