CVE-2026-3356
Missing Authentication for Critical Function vulnerability in Anritsu Remote Spectrum Monitor
- State
- Published
- Severity
- 9.3 Critical
- Published
- Mar 31, 2026
- Updated
- Apr 1, 2026
- Reserved
- Feb 27, 2026
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 | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | 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 | icscert |
Weaknesses
- CWE-306 Missing authentication for critical function
Affected Products
| Product | Versions |
|---|---|
Remote Spectrum Monitor MS27100AAnritsu |
|
Remote Spectrum Monitor MS27101AAnritsu |
|
Remote Spectrum Monitor MS27102AAnritsu |
|
Remote Spectrum Monitor MS27103AAnritsu |
|
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-090-01government-resource
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