CVE-2026-33794 Junos OS Evolved: PTX Series: Receipt of repeated ECMP routing updates results in PFE crash

An Improper Check for Unusual or Exceptional Conditions vulnerability in the advanced forwarding toolkit evo-aftmand of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated network-based attacker generating continuous routing updates, resulting in unilist ECMP routes, to cras...

CVE-2026-21901

CVE-2026-21901 describes a NULL pointer dereference in Juniper Networks Junos OS and Junos OS Evolved mgd (management daemon) when a local, high-privileged user configures or deactivates a specific 'system services ssh' parameter. The vulnerability causes an mgd crash and restart, enabling a sust...

EUVD-2026-42697

A NULL Pointer Dereference vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service DoS. A local high-privileged user configuri...

CVE-2026-21901

A NULL Pointer Dereference vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service DoS. A local high-privileged user configuri...

CVE-2026-21901 Junos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash

A NULL Pointer Dereference vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service DoS. A local high-privileged user configuri...

CVE-2026-21901 Junos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash

A NULL Pointer Dereference vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service DoS. A local high-privileged user configuri...

PT-2026-56929

Name of the Vulnerable Software and Affected Versions Junos OS versions 25.2 through 25.2R1 Junos OS Evolved versions 25.2 through 25.2R1-EVO Description An improper check for unusual or exceptional conditions in the routing protocol daemon RPD allows an adjacent, unauthenticated attacker to caus...

PT-2026-56967

Name of the Vulnerable Software and Affected Versions Junos OS Evolved versions prior to 23.2R2-S7-EVO Junos OS Evolved versions 23.4 through 23.4R2-S8-EVO Junos OS Evolved versions 24.2 through 24.2R2-S5-EVO Junos OS Evolved versions 24.4 through 24.4R2-S4-EVO Junos OS Evolved versions 25.2...

CVE-2026-57029: Missing Synchronization

A Missing Synchronization vulnerability in the flow collector handler of Juniper Networks Junos OS Evolved on QFX Series allows an adjacent, unauthenticated attacker to cause a Denial-of-Service DoS. When the reachability of an sFlow collector changes, the corresponding next-hop entry is...

CVE-2026-57028: Improper Restriction of Communication Channel to Intended Endpoints

An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause license exhaustion. Due to an incorrect initialization, a process which should only be able to communicate internall...

CVE-2026-33803: Improper Restriction of Communication Channel to Intended Endpoints

An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a limited information disclosure and availability impact to the device. Due to a wrong initialization, a process whi...

CVE-2026-33794: Improper Check for Unusual or Exceptional Conditions

An Improper Check for Unusual or Exceptional Conditions vulnerability in the advanced forwarding toolkit evo-aftmand of Juniper Networks Junos OS Evolved on PTX Series allows an unauthenticated network-based attacker generating continuous routing updates, resulting in unilist ECMP routes, to cras...

PT-2026-56983

Name of the Vulnerable Software and Affected Versions Junos OS Evolved on QFX Series versions 23.2 Junos OS Evolved on QFX Series versions prior to 23.4R2-S7-EVO Junos OS Evolved on QFX Series versions prior to 24.2R2-S5-EVO Junos OS Evolved on QFX Series versions prior to 24.4R2-S3-EVO Junos OS...

PT-2026-56982

Name of the Vulnerable Software and Affected Versions Junos OS Evolved versions prior to 23.2R2-EVO Description An improper restriction of communication channel to intended endpoints allows an unauthenticated, network-based attacker to cause license exhaustion. Due to incorrect initialization, a...

CVE-2026-21901: NULL Pointer Dereference

A NULL Pointer Dereference vulnerability in the management daemon mgd of Juniper Networks Junos OS and Junos OS Evolved allows a local, high-privileged attacker setting or deactivating a specific SSH configuration parameter to create a Denial of Service DoS. A local high-privileged user configuri...

CVE-2026-57025: Return of Pointer Value Outside of Expected Range

A Return of Pointer Value Outside of Expected Range vulnerability in the fileio library of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privilged attacker to cause a Denial-of-Service DoS. On EX Series, QFX Series and MX Series a low-privileged attacker issuing a specific...

Juniper Junos OS Vulnerability (JSA110078)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA110078 advisory. - An Improper Restriction of Communication Channel to Intended Endpoints vulnerability in Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacke...

PT-2026-56924

Name of the Vulnerable Software and Affected Versions Junos OS versions 22.3 through 22.3R3-S5 Junos OS versions 22.4 through 22.4R3-S10 Junos OS versions 23.2 through 23.2R2-S7 Junos OS versions 23.4 through 23.4R2-S8 Junos OS Evolved versions 22.3R1-EVO through 23.2R2-S7-EVO Junos OS Evolved...

Juniper Junos OS Vulnerability (JSA110089)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA110089 advisory. - A Missing Synchronization vulnerability in the flow collector handler of Juniper Networks Junos OS Evolved on QFX Series allows an adjacent, unauthenticated attacker to...

Juniper Junos OS Vulnerability (JSA73154)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA73154 advisory. - An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10001, PTX10004, PTX10008, and PTX10016 devices allows a...