--- title: "CVE-2026-102185: Juniper Networks Junos OS - Denial of Service" description: "Juniper Networks Junos OS and Junos OS Evolved contain an infinite loop vulnerability in the routing protocol daemon (rpd) caused by EVPN multihoming with preference-based designated-forwarder election, letting remote attackers cause denial of service, exploit requires network access." url: https://panop.io/threat-heartbeat/CVE-2026-102185/ --- # CVE-2026-102185 Juniper Networks Junos OS - Denial of Service Juniper Networks Junos OS and Junos OS Evolved contain an infinite loop vulnerability in the routing protocol daemon (rpd) caused by EVPN multihoming with preference-based designated-forwarder election, letting remote attackers cause denial of service, exploit requires network access. CVSS base score 7.5 /10 High CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102185) ## Details Type Denial of Service Impact Denial Of Service CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Published 14 October 2026 Updated 15 October 2026 Weakness [CWE-835](https://cwe.mitre.org/data/definitions/835.html) ## Vendor fix Update to the latest Junos OS and Junos OS Evolved versions. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-102185](https://nvd.nist.gov/vuln/detail/CVE-2026-102185) - [https://supportportal.juniper.net/JSA112187](https://supportportal.juniper.net/JSA112187) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)