--- title: "CVE-2026-87684: Brocade Fabric - Buffer Overflow" description: "Brocade Fabric < 10.0.1 contains a stack-based buffer overflow caused by improper length validation of user-supplied context name in SNMP daemon request handling, letting remote unauthenticated attackers cause memory corruption, DoS, or code execution." url: https://panop.io/threat-heartbeat/CVE-2026-87684/ --- # CVE-2026-87684 Brocade Fabric - Buffer Overflow Brocade Fabric < 10.0.1 contains a stack-based buffer overflow caused by improper length validation of user-supplied context name in SNMP daemon request handling, letting remote unauthenticated attackers cause memory corruption, DoS, or code execution. CVSS base score 9.8 /10 Critical CISA KEV Not listed Public exploit None known Authentication Not required EPSS 0.23% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-87684) ## Details Type Buffer Overflow Impact Remote Code Execution, Denial Of Service CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Published 8 October 2026 Updated 15 October 2026 Weakness [CWE-121](https://cwe.mitre.org/data/definitions/121.html) ## Vendor fix Update to version 10.0.1 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-2026-87684](https://nvd.nist.gov/vuln/detail/CVE-2026-87684) - [https://support.broadcom.com/external/content/SecurityAdvisories/0/39078](https://support.broadcom.com/external/content/SecurityAdvisories/0/39078) [← 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)