CVE-2026-102180 Junos OS and Junos OS Evolved: An attacker causes an rpd crash when BGP RIB streaming telemetry is in use
An attacker with BGP access can crash the routing daemon via stack overflow when BGP RIB streaming telemetry is active.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102180?
CVE-2026-102180 is a high-severity memory corruption vulnerability in Juniper Networks Junos OS, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-121
Which versions are affected by CVE-2026-102180?
How do I fix CVE-2026-102180?
No fix has been published for CVE-2026-102180 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-102180 being exploited?
There is no known exploitation of CVE-2026-102180 in the wild and no public exploit code.
Sources
Also known as GHSA-wwmf-2ph2-pvvc.