EUVD-2005-3730

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The vulnerability of the TCP protocol implementation in Juniper Networks’ Junos OS routers MX240, MX480, and MX960 allows a attacker to cause service interruptions.

The vulnerability of the TCP protocol implementation in Juniper Networks’ Junos OS routers of the MX240, MX480, and MX960 models is related to insufficient validation of input data. Exploiting this vulnerability can allow a malicious actor to cause service interruptions by sending specially craft...

The vulnerability of Juniper Networks’ Junos routers of the SRX series, which allows a attacker to cause a service failure.

The vulnerability of Juniper Networks’ Junos router series SRX devices, specifically those related to flow processing on operating systems, is related to the swapping of zero pointers. Exploiting this vulnerability can allow a malicious actor to cause service interruptions...

The vulnerability of Juniper Networks Junos OS routers in the MX-SPC3 series arises from a improper release of memory before deleting the last link (“memory leak”), allowing an attacker to cause a service failure.

The vulnerability of Juniper Networks Junos OS routers in the MX-SPC3 series is related to improper memory release before deleting the last link “memory leak”. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...

Chinese Cyber Espionage Group UNC3886 Backdoored Juniper Routers

UNC3886 hackers target Juniper routers with custom backdoor malware, exploiting outdated systems for stealthy access and espionage. Learn how to stay protected...

NCSC-2025-0062

creationtimestamp| type| source ---|---|--- 2025-02-19 06:59:03+00:00| seen| https://supportportal.juniper.net/s/article/2025-02-Out-of-Cycle-Security-Bulletin-Session-Smart-Router-Session-Smart-Conductor-WAN-Assurance-Router-API-Authentication-Bypass-Vulnerability-CVE-2025-21589...

Custom Backdoor Exploiting Magic Packet Vulnerability in Juniper Routers

Enterprise-grade Juniper Networks routers have become the target of a custom backdoor as part of a campaign dubbed J-magic. According to the Black Lotus Labs team at Lumen Technologies, the activity is so named for the fact that the backdoor continuously monitors for a "magic packet" sent by the...

The vulnerability of the Packet Forwarding Engine (PFE) module in JunOS operating systems for MX and SRX routers allows a hacker to cause a service failure.

The vulnerability of the Packet Forwarding Engine PFE module in JunOS operating systems for MX and SRX series routers is related to errors in syntax validation during the processing of SIP packets. Exploiting this vulnerability can allow a malicious actor to cause service failures...

The vulnerability of the Packet Forwarding Engine (PFE) module in Juniper Networks’ Junos routing devices of the MX series allows a attacker to cause a service failure.

The vulnerability of the Packet Forwarding Engine PFE module in Juniper Networks’ Junos MX routers involves an uncontrolled consumption of resources. Exploiting this vulnerability can allow attackers to cause service interruptions...

The vulnerability of Juniper Networks Junos OS routers of the JRR200 series, related to incorrect handling of exceptional states, allows a attacker to trigger a service failure.

The vulnerability of Juniper Networks Junos OS routers of the JRR200 series is related to incorrect handling of exceptional states. Exploiting this vulnerability can allow a malicious actor to cause service interruptions by sending specially crafted packets...

CVE-2021-31367

A Missing Release of Memory after Effective Lifetime vulnerability in the Packet Forwarding Engine PFE of Juniper Networks Junos OS on PTX Series allows an adjacent attacker to cause a Denial of Service DoS by sending genuine BGP flowspec packets which cause an FPC heap memory leak. Once having r...

The vulnerability affects the implementation of NAT64 technology for Juniper Networks’ MS-MIC and MS-MPC routers, as well as Junos OS-based MX routers. This allows attackers to cause service interruptions.

The vulnerability of NAT64 technology implemented in Juniper Networks’ MS-MIC and MS-MPC routers for Junos OS operating systems is related to incorrect calculation of buffer size when processing IPv6 and IPv4 packets. Exploiting this vulnerability allows a malicious actor to cause service failure...

CVE-2021-0263

A Data Processing vulnerability in the Multi-Service process multi-svcs on the FPC of Juniper Networks Junos OS on the PTX Series routers may lead to the process becoming unresponsive, ultimately affecting traffic forwarding, allowing an attacker to cause a Denial of Service DoS condition . The...

The vulnerability of Junos router operating systems of the NFX and SRX series, related to pointer swapping errors, allows attackers to trigger a service failure.

The vulnerability of Junos router series NFX and SRX lies in pointer swapping errors. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

Juniper Junos Dynamic VPN Cross-Site Scripting Vulnerability

Juniper Networks JUNOS is an operating system that runs on Juniper Networks' line of border routers and more. A security vulnerability in Juniper Networks JUNOS Dynamic VPN on SRX devices allows remote attackers to exploit the vulnerability to inject malicious script or HTML code, which can be us...

Level3 Outage Causing Major Internet Issues

UPDATED–There were widespread Internet outages and slowdowns on Monday after backbone provider Level3 Communications had a major outage, affecting some downstream providers and enterprises. The company says that the problem stemmed from a software issue with some of its routers. A source with...

CVE-2005-3733

The Internet Key Exchange version 1 IKEv1 implementation in Juniper JUNOS and JUNOSe software for M, T, and J-series routers before release 6.4, and E-series routers before 7-1-0, allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IKE packets, as...

Juniper JunOS Routing Engine MPLS denial of service

Overview Juniper routers will become severely disrupted when attacked with specially-crafted MPLS packets. Description Juniper routers running JUNOS have a vulnerability in which specially-crafted MPLS packets can cause normal operation of affected routers to be severely disrupted.According to...