CVE-2025-52951 Junos OS: IPv6 firewall filter fails to match payload-protocol

A Protection Mechanism Failure vulnerability in kernel filter processing of Juniper Networks Junos OS allows an attacker sending IPv6 traffic destined to the device to effectively bypass any firewall filtering configured on the interface. Due to an issue with Junos OS kernel filter processing, th...

CVE-2025-52951 Junos OS: IPv6 firewall filter fails to match payload-protocol

A Protection Mechanism Failure vulnerability in kernel filter processing of Juniper Networks Junos OS allows an attacker sending IPv6 traffic destined to the device to effectively bypass any firewall filtering configured on the interface. Due to an issue with Junos OS kernel filter processing, th...

Juniper Networks Junos OS 安全漏洞

Juniper Networks Junos OS is a Juniper Networks USA network operating system dedicated to the company's hardware devices. The operating system provides a secure programming interface and the Junos SDK. A security vulnerability exists in Juniper Networks Junos OS that stems from improper handling ...

Vulnerabilities fixed in Palo Alto PAN OS

Palo Alto Networks has fixed vulnerabilities in PAN-OS. The vulnerabilities include an information leak in the SD-WAN feature, which allows unauthorized users to intercept packets and access unsecured data from the firewall. This poses a risk to sensitive information being transmitted. In additio...

The vulnerability of the blocking page of the UserGate Next-Generation Firewall (NGFW) allows a hacker to execute arbitrary code.

The vulnerability of the UserGate Next-Generation Firewall’s blocking page is related to insufficient validation of input data. Exploiting this vulnerability allows a hacker to execute arbitrary code when navigating through a specially crafted link...

PT-2025-29240 · Juniper Networks · Junos

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS versions prior to 21.2R3-S9 Juniper Networks Junos OS versions 21.4 before 21.4R3-S11 Juniper Networks Junos OS versions 22.2 before 22.2R3-S7 Juniper Networks Junos OS versions 22.4 before 22.4R3-S7 Juniper Networks...

PT-2025-29255

Name of the Vulnerable Software and Affected Versions: Juniper Networks Junos OS Evolved versions prior to 23.2R2-S4-EVO Juniper Networks Junos OS Evolved versions prior to 23.4R2-S5-EVO Juniper Networks Junos OS Evolved versions prior to 24.2R2-S1-EVO Juniper Networks Junos OS Evolved versions...

CVE-2025-50260

Tenda AC6 v15.03.05.16multi is vulnerable to Buffer Overflow in the formSetFirewallCfg function via the firewallEn parameter...

BIT-MODSECURITY-2025-52891 ModSecurity empty XML tag causes segmentation fault

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least...

PT-2025-27802 · Tenda · Tenda Ac6

Name of the Vulnerable Software and Affected Versions: Tenda AC6 version 15.03.05.16 multi Description: The issue is related to a Buffer Overflow in the formSetFirewallCfg function via the firewallEn parameter. Recommendations: For Tenda AC6 version 15.03.05.16 multi, as a temporary workaround,...

Tenda AC6 安全漏洞

Tenda AC6 is a dual-band wireless router from Tenda. Tenda AC6 has a buffer overflow vulnerability, the vulnerability stems from the formSetFirewallCfg function firewallEn parameter fails to correctly validate the length and size of the input data, an attacker can use this vulnerability to cause ...

CVE-2025-50260

Tenda AC6 v15.03.05.16multi is vulnerable to Buffer Overflow in the formSetFirewallCfg function via the firewallEn parameter...

CVE-2025-52891

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least...

DEBIAN-CVE-2025-52891

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least...

UBUNTU-CVE-2025-52891

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least...

CVE-2025-52891 ModSecurity empty XML tag causes segmentation fault

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least...

CVE-2025-52891

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. In versions 2.9.8 to before 2.9.11, an empty XML tag can cause a segmentation fault. If SecParseXmlIntoArgs is set to On or OnlyArgs, and the request type is application/xml, and at least...

OESA-2025-1676 mod_security security update

Security Fixes: ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Versions prior to 2.9.10 contain a denial of service vulnerability similar to GHSA-859r-vvv8-rm8r/CVE-2025-47947. The sanitiseArg and sanitizeArg - this is the same action...

PT-2025-28938 · Ооо "Юзергейт" · Usergate Next-Generation Firewall

Уязвимость страницы блокировки межсетевого экрана UserGate Next-Generation Firewall NGFW связана с недостаточной проверкой входных данных. Эксплуатация уязвимости, может позволить нарушителю, выполнить произвольный код при переходе по специально сформированной ссылке...

Incus Allocation of Resources Without Limits allows firewall rule bypass on managed bridge networks

Summary When using an ACL on a device connected to a bridge, Incus generates nftables rules for local services DHCP, DNS... that partially bypass security options security.macfiltering, security.ipv4filtering and security.ipv6filtering. This can lead to DHCP pool exhaustion and opens the door for...