Stack-based Buffer Overflow in Junos OS Routing Protocol Daemon by Juniper Networks
CVE-2026-102180

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-2026-102180?

A stack-based buffer overflow vulnerability exists within the routing protocol daemon (rpd) of Juniper Networks' Junos OS and Junos OS Evolved. An attacker having access to a configured BGP peering session can exploit this vulnerability by sending specially crafted BGP route attributes, potentially leading to a denial of service. This issue is specifically present when a BGP RIB streaming telemetry subscription is active. It is important to note that this vulnerability does not affect any versions of Junos OS prior to 22.1R1 or Junos OS Evolved versions before 22.1R1-EVO.

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

.