CVE-2026-33781 Junos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packets are received, memory leaks and eventually no traffic is passed

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX and QFX Series devices allow an unauthenticated, adjacent attacker to cause a complete Denial of Service DoS. On EX4k, and QFX5k platforms configur...

CVE-2026-33781 Junos OS: EX Series, QFX Series: In a VXLAN scenario when specific control protocol packets are received, memory leaks and eventually no traffic is passed

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on specific EX and QFX Series devices allow an unauthenticated, adjacent attacker to cause a complete Denial of Service DoS. On EX4k, and QFX5k platforms configur...

CVE-2026-33781

Junos OS on EX Series and QFX Series is affected by CVE-2026-33781. In VXLAN scenarios, when L2PT is enabled on the UNI and VSTP on the NNI, receiving VSTP BPDUs on UNI can trigger a memory leak in the packet forwarding engine (pfe) and packet buffer allocation failures, causing the device to sto...

CVE-2026-33778

CVE-2026-33778 affects Junos OS on SRX Series and MX Series. The vulnerability is in the IPsec library used by kmd/iked, where processing a specifically malformed first ISAKMP packet can cause the kmd/iked process to crash and restart. This results in a momentary inability to establish new securi...

CVE-2026-33778

An Improper Validation of Syntactic Correctness of Input vulnerability in the IPsec library used by kmd and iked of Juniper Networks Junos OS on SRX Series and MX Series allows an unauthenticated, network-based attacker to cause a complete Denial-of-Service DoS. If an affected device receives a...

CVE-2026-33778 Junos OS: SRX Series, MX Series: When a specifically malformed first ISAKMP packet is received kmd/iked crashes

An Improper Validation of Syntactic Correctness of Input vulnerability in the IPsec library used by kmd and iked of Juniper Networks Junos OS on SRX Series and MX Series allows an unauthenticated, network-based attacker to cause a complete Denial-of-Service DoS. If an affected device receives a...

CVE-2026-33776

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive...

CVE-2026-33776

CVE-2026-33776 affects Juniper Networks Junos OS and Junos OS Evolved. A Missing Authorization flaw in the CLI allows a local, low-privilege user to read sensitive information by executing the command 'show mgd' with specific arguments. Affected Junos OS versions include all before 22.4R3-S8, 23....

CVE-2026-33776 Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive...

CVE-2026-33776 Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive...

CVE-2026-33774

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass the configured firewall filter and access the control-plane of the device. On MX platform...

CVE-2026-33774 Junos OS: MX Series: Firewall filters on lo0.<non-0> in the default routing instance are not in effect

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass the configured firewall filter and access the control-plane of the device. On MX platform...

CVE-2026-33774

CVE-2026-33774 affects Junos OS on Juniper MX Series (MPC10/11, LC4800/LC9600 line cards and MX304). An improper check allows an unauthenticated, network-based attacker to bypass firewall filters applied to loopback interfaces lo0.n (n != 0) that are in the default routing instance, enabling pote...

CVE-2026-33774 Junos OS: MX Series: Firewall filters on lo0.<non-0> in the default routing instance are not in effect

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine pfe of Juniper Networks Junos OS on MX Series allows an unauthenticated, network-based attacker to bypass the configured firewall filter and access the control-plane of the device. On MX platform...

CVE-2026-33797

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...

CVE-2026-33797 Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...

CVE-2026-33797 Junos OS and Junos OS Evolved: An attacker sending a specific genuine BGP packet causes a BGP reset

An Improper Input Validation vulnerability in Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker, sending a specific genuine BGP packet in an already established BGP session to reset only that session causing a Denial of Service DoS. An attacker repeatedly...

CVE-2026-33797

CVE-2026-33797 affects Juniper Networks Junos OS and Junos OS Evolved. An unauthenticated, adjacent attacker can reset only an established BGP session by sending a specific genuine BGP packet, causing DoS on that session. Repeated packets sustain the DoS. Affected are Junos OS 25.2 before 25.2R2 ...

CVE-2026-33779 Junos OS: SRX Series: Insufficient certificate verification for device to SD cloud communication

An Improper Following of a Certificate's Chain of Trust vulnerability in J-Web of Juniper Networks Junos OS on SRX Series allows a PITM to intercept the communication of the device and get access to confidential information and potentially modify it. When an SRX device is provisioned to connect t...

CVE-2026-33779

An Improper Following of a Certificate's Chain of Trust vulnerability in J-Web of Juniper Networks Junos OS on SRX Series allows a PITM to intercept the communication of the device and get access to confidential information and potentially modify it. When an SRX device is provisioned to connect t...