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PatchSiren cyber security CVE debrief

CVE-2025-49153 MICROSENS CVE debrief

CVE-2025-49153 is a critical vulnerability in MICROSENS NMP Web+ that CISA says could let an unauthenticated attacker overwrite files and execute arbitrary code. The advisory identifies affected products as MICROSENS NMP Web+ versions up to 3.2.5 and recommends updating to version 3.3.0 for Windows and Linux.

Vendor
MICROSENS
Product
NMP Web+
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2025-06-24
Original CVE updated
2025-06-24
Advisory published
2025-06-24
Advisory updated
2025-06-24

Who should care

Organizations that operate or administer MICROSENS NMP Web+ deployments, especially OT/ICS environments and any Windows or Linux systems running affected versions up to 3.2.5.

Technical summary

The CISA CSAF advisory for ICSA-25-175-07 describes a network-reachable issue in MICROSENS NMP Web+ with no authentication required. The stated impact is file overwrite followed by arbitrary code execution, and the provided CVSS 3.1 vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, reflecting a critical 9.8 severity. The affected product entry in the advisory is MICROSENS NMP Web+ <=3.2.5, and the remediation is to update to version 3.3.0.

Defensive priority

Highest. This is a critical, unauthenticated remote-code-execution class issue in an ICS-related product. Prioritize patching affected systems and reducing exposure until remediation is complete.

Recommended defensive actions

  • Update MICROSENS NMP Web+ to version 3.3.0 for Windows and Linux as recommended by MICROSENS.
  • Inventory deployments to identify any instances running MICROSENS NMP Web+ version 3.2.5 or earlier.
  • Restrict network access to management interfaces until remediation is verified.
  • Monitor affected hosts for unexpected file changes or signs of unauthorized code execution.
  • Apply standard ICS defensive practices and validate backups before making changes.

Evidence notes

All core claims are taken from the CISA CSAF advisory ICSA-25-175-07 and its referenced official materials. The advisory states: affected product MICROSENS NMP Web+ <=3.2.5, impact from an unauthenticated attacker could overwrite files and execute arbitrary code, CVSS 9.8 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, and remediation to update to 3.3.0 for Windows and Linux. Public disclosure in the supplied corpus is dated 2025-06-24 UTC.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-49153 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-49153

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-49153 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-49153

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-175-07.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-175-07

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.