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CVE record · CVE-2025-40808

Unrestricted file upload in Siemens SIPROTEC 5 6MD84 (CP300) and others

CVSS 6.9 MediumEPSS 0.0019 · 8th percentile

Published by the CVE Program (CNA: siemens) at 9 Jun 2026, 08:46 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Siemens SIPROTEC 5 6MD84 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 6MD85 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 6MD85 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 6MD86 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 6MD86 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 6MD89 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 6MU85 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7KE85 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7KE85 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SA82 (CP100)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SA82 (CP150)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SA86 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SA86 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SA87 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SA87 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SD82 (CP100)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SD82 (CP150)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SD86 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SD86 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SD87 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SD87 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SJ81 (CP100)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SJ81 (CP150)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SJ82 (CP100)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SJ82 (CP150)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SJ85 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SJ85 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SJ86 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SJ86 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SK82 (CP100)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SK82 (CP150)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SK85 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SK85 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SL82 (CP100)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SL82 (CP150)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SL86 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SL86 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SL87 (CP200)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SL87 (CP300)
  • affected before * custom
Other versions: unknown
Siemens SIPROTEC 5 7SS85 (CP200)
  • affected before * custom
Other versions: unknown

And 21 more products. The full list is on the CVE record.

Identifiers
CVE-2025-40808
CNA
siemens
Weakness (CWE)
CWE-434
Tags
Published
9 Jun 2026
Updated
9 Jun 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.1 Medium 3.1 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H CNA (siemens)
6.9 Medium 4.0 CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N CNA (siemens)Used for this record
  • CISA KEV Not listed.
  • EPSS 0.0019, the 8th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Jun 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.