PatchSiren

Anritsu CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

CRITICAL Anritsu CVE published 2026-03-31

CVE-2026-3356

CVE-2026-3356 is a critical authentication bypass affecting the Anritsu Remote Spectrum Monitor MS27102A. The advisory states that the device provides no mechanism to enable or configure authentication, making the issue inherent to the product design and leaving exposure dependent on network placement and access controls rather than a simple configuration change.