Improper Input Validation Vulnerability in Juniper Networks Junos OS Routing Protocol Daemon
CVE-2026-102183

8.7HIGH

Key Information:

Vendor

Juniper Networks
Status
Junos Os
Junos Os Evolved
Vendor
CVE Published:
14 October 2026

Badges

👾 Exploit Exists

What is CVE-2026-102183?

A vulnerability exists in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved. This flaw allows a maliciously configured BGP EVPN peer to cause a crash of the rpd through specifically crafted Network Layer Reachability Information (NLRI). The improper validation of the specified quantity in the input may lead to significant network disruptions, impacting the reliability and availability of services relying on reliable BGP functionality.

Affected Version(s)

Junos OS 0 < 23.2R2-S7.7

Junos OS 23.4 < 23.4R2-S8.13

Junos OS 24.2 < 24.2R2-S5.5

References

https://supportportal.juniper.net/JSA112187
vendor-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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