Vulnerability details
CVE-2026-3356
Anritsu Remote Spectrum Monitor MS27100AAnritsu Remote Spectrum Monitor MS27101AAnritsu Remote Spectrum Monitor MS27102AAnritsu Remote Spectrum Monitor MS27103A
Missing Authentication for Critical Function vulnerability in Anritsu Remote Spectrum Monitor
CVSS 4.0
9.3Critical
Official 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 scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (icscert) | 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 |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Anritsu | Remote Spectrum Monitor MS27100A | All versions | CVEProject cvelistV5 (CNA) |
| Anritsu | Remote Spectrum Monitor MS27101A | All versions | CVEProject cvelistV5 (CNA) |
| Anritsu | Remote Spectrum Monitor MS27102A | All versions | CVEProject cvelistV5 (CNA) |
| Anritsu | Remote Spectrum Monitor MS27103A | All versions | CVEProject cvelistV5 (CNA) |
References and advisories
1- https://www.cisa.gov/news-events/ics-advisories/icsa-26-090-01 government-resource
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Details
- Published
- 2026-03-31
- Last updated
- 2026-04-01
- State
- Published
- Assigner (CNA)
- icscert
Exploit prediction (EPSS)
0.4%
Probability of exploitation in 30 days
34.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-306Missing authentication for critical function