CVE-2026-102180 Juniper Networks Junos OS & Junos OS Evolved - Denial of Service

Juniper Networks Junos OS and Junos OS Evolved >= 22.1R1 contain a stack-based buffer overflow caused by processing crafted BGP route attributes during active BGP RIB streaming telemetry subscriptions, letting attackers with BGP peering access cause denial of service.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-121

Vendor fix

Update to the latest version beyond 22.1R1 for Junos OS and 22.1R1-EVO for Junos OS Evolved.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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