Configure Proper Policies for OUTPUT of iptables

There are two occasions in which a server sends outgoing packets: 1. The local host process proactively connects to an external server, for example, performing an HTTP access, or sending data to a log server. 2. The local host responds to the external access to the local services. If no policy is...

Configure Proper Policies for INPUT of iptables

The INPUT chain is used to filter packets received from external systems. For any service provided for external systems, configure the corresponding INPUT policy and enable the related port so that external clients can access the service through the port. If the policy is not set, all packets tha...

Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow Vulnerability

Cisco Secure Firewall Adaptive Security ASA Appliance and Secure Firewall Threat Defense FTD Software VPN Web Server contain a buffer overflow vulnerability that allows for remote code execution. This vulnerability could be chained with CVE-2025-20362...

Wavlink NU516U1 命令注入漏洞

Wavlink NU516U1 is a wireless print server from China Ruiyin Wavlink. A command injection vulnerability exists in the Wavlink NU516U1 M16U1V240425 version, which stems from the incorrect manipulation of the parameter dmzflag of the function sub401778 in the file /cgi-bin/firewall.cgi, which could...

VulnCheck KEV: CVE-2025-20333

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper...

Linux Distros Unpatched Vulnerability : CVE-2025-59692

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - PureVPN client applications on Linux through September 2025 mishandle firewalling. They flush the system's existing iptables rules and apply default ACCEPT...

PT-2025-39478

Federal agencies have 1 day to patch critical Cisco ASA firewall vulnerabilities CVE-2025-30333 and CVE-2025-20362 exploited by advanced hackers in the ArcaneDoor campaign linked to Chinese state actors. CiscoASA ArcaneDoor China https://t.co/SwRp9rx7TT...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the SideroLink connection. An attacker can send arbitrary packets over the interface by exploiting the lack of validation on the packet's destination address. Workaround Users who are not able to upgrade to t...

Widespread Supply Chain Compromise Impacting npm Ecosystem

CISA is releasing this Alert to provide guidance in response to a widespread software supply chain compromise involving the world’s largest JavaScript registry, npmjs.com. A self-replicating worm—publicly known as “Shai-Hulud”—has compromised over 500 packages.i After gaining initial access, the...

Details About Chinese Surveillance and Propaganda Companies

Details from leaked documents: While people often look at China’s Great Firewall as a single, all-powerful government system unique to China, the actual process of developing and maintaining it works the same way as surveillance technology in the West. Geedge collaborates with academic institutio...

WAFTest

This repository is an offensive tool for testing web application firewalls WAFs. It contains a collection of test cases and scripts to evaluate the effectiveness of WAFs against various types of attacks. The tool includes test cases for common web application vulnerabilities such as: Command...

CVE-2023-49565

The cbismanager Podman container is vulnerable to remote command execution via the /api/plugins endpoint. Improper sanitization of the HTTP Headers X-FILENAME, X-PAGE, and X-FIELD allows for command injection. These headers are directly utilized within the subprocess.Popen Python function without...

CVE-2025-59692

PureVPN client applications on Linux through September 2025 mishandle firewalling. They flush the system's existing iptables rules and apply default ACCEPT policies when connecting to a VPN server. This removes firewall rules that may have been configured manually or by other software e.g., UFW,...

CVE-2025-34201

The CVE-2025-34201 entry concerns Vasion Print (formerly PrinterLogic) Virtual Appliance Host and Application used in VA/SaaS deployments. It states that Docker containers are run on shared internal networks without firewalling or segmentation between instances, so a compromise of any single cont...

CVE-2025-37125

A broken access control vulnerability exists in HPE Aruba Networking EdgeConnect OS ECOS. Successful exploitation could allow an attacker to bypass firewall protections, potentially leading to unauthorized traffic being handled improperly...

CVE-2025-37124

A vulnerability in the HPE Aruba Networking SD-WAN Gateways could allow an unauthenticated remote attacker to bypass firewall protections. Successful exploitation could allow an attacker to route potentially harmful traffic through the internal network, leading to unauthorized access or disruptio...

CVE-2025-59692

PureVPN client applications on Linux through September 2025 mishandle firewalling. They flush the system's existing iptables rules and apply default ACCEPT policies when connecting to a VPN server. This removes firewall rules that may have been configured manually or by other software e.g., UFW,...

UBUNTU-CVE-2025-59692

PureVPN client applications on Linux through September 2025 mishandle firewalling. They flush the system's existing iptables rules and apply default ACCEPT policies when connecting to a VPN server. This removes firewall rules that may have been configured manually or by other software e.g., UFW,...

SonicWall Urges Password Resets After Cloud Backup Breach Affecting Under 5% of Customers

SonicWall is urging customers to reset credentials after their firewall configuration backup files were exposed in a security breach impacting MySonicWall accounts. The company said it recently detected suspicious activity targeting the cloud backup service for firewalls, and that unknown threat...

CVE-2023-49565 Remote Code Execution

The cbismanager Podman container is vulnerable to remote command execution via the /api/plugins endpoint. Improper sanitization of the HTTP Headers X-FILENAME, X-PAGE, and X-FIELD allows for command injection. These headers are directly utilized within the subprocess.Popen Python function without...