CVE-2026-3356

CRITICAL

Missing Authentication for Critical Function vulnerability in Anritsu Remote Spectrum Monitor

Title source: cna
STIX 2.1

Description

The MS27102A Remote Spectrum Monitor is vulnerable to an authentication bypass that allows unauthorized users to access and manipulate its management interface. Because the device provides no mechanism to enable or configure authentication, the issue is inherent to its design rather than a deployment error.

Scores

CVSS v4 9.3
EPSS 0.0007
EPSS Percentile 20.9%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-306
Status published
Products (4)
Anritsu/Remote Spectrum Monitor MS27100A All versions
Anritsu/Remote Spectrum Monitor MS27101A All versions
Anritsu/Remote Spectrum Monitor MS27102A All versions
Anritsu/Remote Spectrum Monitor MS27103A All versions
Published Mar 31, 2026
Tracked Since Apr 01, 2026