--- title: "CVE-2026-102182: Juniper Networks Junos OS - Remote Code Execution" description: "Juniper Networks Junos OS on MX Series < 21.2R3-S11, 21.4 < 21.4R3-S12, 22.2 < 22.2R3-S8, 22.3 < 22.3R3-S5, 22.4 < 22.4R3-S9 contains a stack-based buffer overflow caused by improper handling of IKE certificate-based packets in the kmd component, letting unauthenticated network attackers execute code as root remotely, exploit requires crafted IKE certificate-based packets." url: https://panop.io/threat-heartbeat/CVE-2026-102182/ --- # CVE-2026-102182 Juniper Networks Junos OS - Remote Code Execution Juniper Networks Junos OS on MX Series < 21.2R3-S11, 21.4 < 21.4R3-S12, 22.2 < 22.2R3-S8, 22.3 < 22.3R3-S5, 22.4 < 22.4R3-S9 contains a stack-based buffer overflow caused by improper handling of IKE certificate-based packets in the kmd component, letting unauthenticated network attackers execute code as root remotely, exploit requires crafted IKE certificate-based packets. CVSS base score 9.8 /10 Critical CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102182) ## Details Type Remote Code Execution Impact Remote Code Execution CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Published 14 October 2026 Updated 15 October 2026 Weakness [CWE-121](https://cwe.mitre.org/data/definitions/121.html) ## Vendor fix Update to 21.2R3-S11, 21.4R3-S12, 22.2R3-S8, 22.3R3-S5, 22.4R3-S9 or later 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-2026-102182](https://nvd.nist.gov/vuln/detail/CVE-2026-102182) - [https://supportportal.juniper.net/JSA112196](https://supportportal.juniper.net/JSA112196) [← 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)