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Vulnerability record · CVE-2026-3356 · published 31 March 2026

CVE-2026-3356: Missing authentication for critical function vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 0.58% · top 54.7% CWE-306 · Missing authentication for critical function Awaiting Analysis
9.3CVSS 4.0 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
24 Jul 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://www.cisa.gov/news-events/ics-advisories/icsa-26-090-01

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Source: NIST National Vulnerability Database (record CVE-2026-3356), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.