CVE-2026-102070 Junos OS: A remote TWAMP peer causes rmopd service disruption when TWAMP-Control is used
An unauthenticated remote attacker can disrupt the rmopd service in Junos OS by sending a specific TCP packet when TWAMP-Control is enabled.
- 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-2026-102070?
CVE-2026-102070 is a critical denial of service 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 Reachable Assertion vulnerability in the Two-Way Active Measurement Protocol (TWAMP) client of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause rmopd service disruption via a specific TCP packet.
Weakness: CWE-617
Which versions are affected by CVE-2026-102070?
How do I fix CVE-2026-102070?
No fix has been published for CVE-2026-102070 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-102070 being exploited?
There is no known exploitation of CVE-2026-102070 in the wild and no public exploit code.
Sources
Also known as GHSA-245g-hqr8-x69c.