--- title: "CVE-2026-102084: Juniper Networks Junos OS - Remote Code Execution" description: "Juniper Networks Junos OS on SRX Series < 23.2R2-S7.7, 23.4 < 23.4R2-S7, 24.2 < 24.2R2-S4, 24.4 < 24.4R2-S3, 25.2 < 25.2R2, and 25.4 < 25.4R1-S3 contain a buffer overflow caused by improper validation of malformed attributes in AutoDiscovery VPN messages, letting authenticated network attackers execute remote code, exploit requires shared secret or compromised peer." url: https://panop.io/threat-heartbeat/CVE-2026-102084/ --- # CVE-2026-102084 Juniper Networks Junos OS - Remote Code Execution Juniper Networks Junos OS on SRX Series < 23.2R2-S7.7, 23.4 < 23.4R2-S7, 24.2 < 24.2R2-S4, 24.4 < 24.4R2-S3, 25.2 < 25.2R2, and 25.4 < 25.4R1-S3 contain a buffer overflow caused by improper validation of malformed attributes in AutoDiscovery VPN messages, letting authenticated network attackers execute remote code, exploit requires shared secret or compromised peer. CVSS base score 8.1 /10 High CISA KEV Not listed Public exploit None known Authentication Not required [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102084) ## Details Type Remote Code Execution Impact Remote Code Execution CVSS vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Published 14 October 2026 Updated 15 October 2026 Weakness [CWE-1286](https://cwe.mitre.org/data/definitions/1286.html) ## Vendor fix Upgrade to Junos OS versions 23.2R2-S7.7, 23.4R2-S7, 24.2R2-S4, 24.4R2-S3, 25.2R2, or 25.4R1-S3 or later. 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-2026-102084](https://nvd.nist.gov/vuln/detail/CVE-2026-102084) - [https://supportportal.juniper.net/JSA112173](https://supportportal.juniper.net/JSA112173) [← 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)