A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker with access to a configured BGP-LS peer to cause an rpd crash via a crafted BGP-LS Link NLRI advertisements.

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Advisories

No advisories yet.

Fixes

Solution

The following software releases have been updated to resolve this specific issue: Junos OS: 24.4R2-S5, 25.2R2-S2, 25.4R1-S3, 25.4R2, 26.2R1-S2, 26.2R2, 26.4R1, and all subsequent releases. Junos OS Evolved: 24.4R2-S5-EVO, 25.2R2-S2-EVO, 25.2X100-D35-EVO, 25.4R1-S3-EVO, 25.4R2-EVO, 25.4X300-D40-EVO, 26.2R1-S2-EVO, 26.2R2-EVO, 26.4R1-EVO, and all subsequent releases.


Workaround

There are no known workarounds for this issue.

History

Sat, 17 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Juniper Networks
Juniper Networks junos Os
Juniper Networks junos Os Evolved
Vendors & Products Juniper Networks
Juniper Networks junos Os
Juniper Networks junos Os Evolved

Fri, 16 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 14 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Description A Reachable Assertion vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an attacker with access to a configured BGP-LS peer to cause an rpd crash via a crafted BGP-LS Link NLRI advertisements.
Title Junos OS and Junos OS Evolved: An attacker causes a routing-process crash when BGP-LS traffic-engineering is enabled
Weaknesses CWE-617
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published:

Updated: 2026-10-16T16:41:26.000Z

Reserved: 2026-09-28T17:33:49.410Z

Link: CVE-2026-102022

cve-icon Vulnrichment

Updated: 2026-10-16T16:41:20.911Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T17:17:55.177

Modified: 2026-10-16T17:17:07.090

Link: CVE-2026-102022

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-17T00:00:07Z

Weaknesses