CVE-2026-102180

Junos OS and Junos OS Evolved: An attacker causes an rpd crash when BGP RIB streaming telemetry is in use

Published Oct 14, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Description

A Stack-based Buffer Overflow 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 peering session to cause a denial of service by sending a crafted BGP route attribute, which is processed while a BGP RIB streaming telemetry subscription is active.

This issue does not affect Junos OS versions prior to 22.1R1.
This issue does not affect Junos OS Evolved versions prior to 22.1R1-EVO.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Juniper Networks

Junos OS

unaffected

Version	Status	Constraints
`0`	affected	< 23.2R2-S7.7
`23.4`	affected	< 23.4R2-S8.13
`24.2`	affected	< 24.2R2-S5.5
`24.4`	affected	< 24.4R2-S5
`25.2`	affected	< 25.2R2-S2
`25.4`	affected	< 25.4R1-S3
`26.2`	affected	< 26.2R1-S2
`0`	unaffected	< 22.1R1

Juniper Networks

Junos OS Evolved

unaffected

Version	Status	Constraints
`0`	affected	< 23.2R2-S7.7-EVO
`23.4`	affected	< 23.4R2-S8.11-EVO
`24.2`	affected	< 24.2R2-S5.6-EVO
`24.4`	affected	< 24.4R2-S5-EVO
`25.2`	affected	< 25.2R2-S2-EVO
`25.4`	affected	< 25.4R1-S3-EVO
`26.2`	affected	< 26.2R1-S2-EVO
`23.4X100`	affected	—
`25.2X100`	affected	< 25.2X100-D35-EVO
`25.4X300`	affected	< 25.4X300-D40-EVO
`0`	unaffected	< 22.1R1-EVO

No data.

Vendor Product Versions

Juniper Networks

Junos Os

Version	Status	Scheme	Platform
`[0,23.2R2-S7.7)`	affected	generic	—
`[23.4,23.4R2-S8.13)`	affected	generic	—
`[24.2,24.2R2-S5.5)`	affected	generic	—
`[24.4,24.4R2-S5)`	affected	generic	—
`[25.2,25.2R2-S2)`	affected	generic	—
`[25.4,25.4R1-S3)`	affected	generic	—
`[26.2,26.2R1-S2)`	affected	generic	—
`[0,22.1R1)`	unaffected	generic	—

Juniper Networks

Junos Os Evolved

Version	Status	Scheme	Platform
`[0,23.2R2-S7.7-EVO)`	affected	generic	—
`[23.4,23.4R2-S8.11-EVO)`	affected	generic	—
`[24.2,24.2R2-S5.6-EVO)`	affected	generic	—
`[24.4,24.4R2-S5-EVO)`	affected	generic	—
`[25.2,25.2R2-S2-EVO)`	affected	generic	—
`[25.4,25.4R1-S3-EVO)`	affected	generic	—
`[26.2,26.2R1-S2-EVO)`	affected	generic	—
`23.4X100`	affected	generic	—
`[25.2X100,25.2X100-D35-EVO)`	affected	generic	—
`[25.4X300,25.4X300-D40-EVO)`	affected	generic	—
`[0,22.1R1-EVO)`	unaffected	generic	—

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: Junos OS: 23.2R2-S7.7, 23.4R2-S8.13, 24.2R2-S5.5, 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: 23.2R2-S7.7-EVO, 23.4R2-S8.11-EVO, 24.2R2-S5.6-EVO, 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. Note: For Junos OS releases 23.2, 23.4, and 24.2, and Junos OS Evolved releases 23.2-EVO, 23.4-EVO, and 24.2-EVO, specific respins have been referenced. Previously published versions of these releases have been rebuilt to resolve the security vulnerabilities identified in this advisory.

Vendor Workaround

There are no known workarounds for this issue.

Tracking

Advisories

No advisories available

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact Low

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.372% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://supportportal.juniper.net/JSA112187

History

Oct 17, 2026 1:15 AM First appearance in the feed. Affected vendors updated View changes

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

Oct 14, 2026 8:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Oct 14, 2026 5:00 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		A Stack-based Buffer Overflow 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 peering session to cause a denial of service by sending a crafted BGP route attribute, which is processed while a BGP RIB streaming telemetry subscription is active. This issue does not affect Junos OS versions prior to 22.1R1. This issue does not affect Junos OS Evolved versions prior to 22.1R1-EVO.
Title		Junos OS and Junos OS Evolved: An attacker causes an rpd crash when BGP RIB streaming telemetry is in use
Weaknesses		CWE-121
References		https://supportportal.juniper.net/JSA112187
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'}`