--- title: "CVE-2026-86530: BUFFALO Wi-Fi - Command Injection" description: "BUFFALO Wi-Fi products contain a command injection caused by improper handling of web form input in command line assembly, letting administrative users execute arbitrary OS commands remotely, exploit requires administrative privileges." url: https://panop.io/threat-heartbeat/CVE-2026-86530/ --- # CVE-2026-86530 BUFFALO Wi-Fi - Command Injection BUFFALO Wi-Fi products contain a command injection caused by improper handling of web form input in command line assembly, letting administrative users execute arbitrary OS commands remotely, exploit requires administrative privileges. CVSS base score 7.2 /10 High CISA KEV Not listed Public exploit None known Authentication Required EPSS 0.36% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-86530) ## Details Type Command Injection Impact Remote Code Execution CVSS vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Published 28 September 2026 Updated 15 October 2026 Weakness [CWE-78](https://cwe.mitre.org/data/definitions/78.html) ## Vendor fix Update to the latest version provided by BUFFALO. 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-2026-86530](https://nvd.nist.gov/vuln/detail/CVE-2026-86530) - [https://jvn.jp/en/vu/JVNVU94863997/](https://jvn.jp/en/vu/JVNVU94863997/) - [https://www.buffalo.jp/news/detail/20260928-01.html](https://www.buffalo.jp/news/detail/20260928-01.html) [← 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)