SANS Stormcast Tuesday, December 9th, 2025: nanoKVM Vulnerabilities; Ghostframe Phishing; WatchGuard Advisory

nanoKVM Vulnerabilities The nanoKVM device updates firmware insecurely; however, the microphone that the authors of the advisory referred to as undocumented may actually be documented in the underlying hardware description. https://www.tomshardware.com/tech-industry/cyber-security/researcher-finds-undocumented-microphone-and-major-security-flaws-in-sipeed-nanokvm Ghostframe Phishing Kit The Ghostframe phishing kit uses iFrames and random subdomains to evade detection https://blog.barracuda.com/2025/12/04/threat-spotlight-ghostframe-phishing-kit WatchGuard Advisory WatchGuard released an update for its Firebox appliance, fixing ten vulnerabilities. Five of these are rated as High. https://www.watchguard.com/wgrd-psirt/advisories