Critical Authentication Bypass & Multiple Flaws in Ebyte NA111‑M (CVE‑2026‑73125 … CVE‑2026‑77977) Threaten Industrial IoT Devices
What It Is — The U.S. Cybersecurity & Infrastructure Security Agency (CISA) issued an advisory listing 13 critical CVEs in the Ebyte NA111‑M wireless module firmware 9013‑2‑17. Vulnerabilities include missing authentication/authorization, clear‑text transmission of credentials, CSRF, weak cryptography and unrestricted login attempts.
Exploitability — CVSS v3 base score 9.8 (Critical). Public proof‑of‑concepts have been observed for several of the flaws; successful exploitation can give an unauthenticated remote attacker full control of the device.
Affected Products — Ebyte NA111‑M (firmware 9013‑2‑17). The module is deployed worldwide in IT‑focused critical‑infrastructure environments.
Why It Matters for Compliance & Audit Readiness
- SOC 2 Control CC6.1 (Logical Access Control) is directly violated when authentication is missing or can be bypassed.
- Continuous evidence of patch management and secure configuration (CC7.1 – System Operations) is required to demonstrate due diligence to auditors and enterprise customers.
- Enterprise buyers increasingly demand proof that IoT/OT assets are covered by the same control‑monitoring regime as cloud services; a gap here can stall contracts.
Recommended Actions
- Inventory every NA111‑M unit and verify firmware version.
- Patch immediately to the vendor‑released fix (or disable the web UI if a patch is unavailable).
- Segment the devices on a dedicated VLAN and enforce strict firewall rules.
- Log & Monitor authentication attempts and configuration changes; map these logs to SOC 2 CC6.1 evidence.
- Document the remediation steps in your continuous compliance platform to provide audit‑ready artifacts.
Source: CISA Advisory – ICSA‑26‑239‑05