LIVE FEED
MEDIUM CWE-434

CVE-2025-40808

Siemens SIPROTEC 5 6MD84 (CP300) vulnerability

Siemens·SIPROTEC 5 6MD84 (CP300)

6.1/ 10
CVSS 3.1
Medium severity
0.19%
EPSS exploit odds
Chance of exploitation in the next 30 days
Higher than 8% of all CVEs
Not listed
CISA KEV catalog
No confirmed in-the-wild exploitation on CISA's list.
Timeline
Published
Jun 9, 2026
Updated
Jun 9, 2026
First covered
Jul 4, 2026
Latest story
4 months ago

Summary

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions), SIPROTEC 5 6MD89 (CP300) (All versions), SIPROTEC 5 6MU85 (CP300) (All versions), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions), SIPROTEC 5 7SA82 (CP100) (All versions), SIPROTEC 5 7SA82 (CP150) (All versions), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions), SIPROTEC 5 7SD82 (CP100) (All versions), SIPROTEC 5 7SD82 (CP150) (All versions), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions), SIPROTEC 5 7SJ81 (CP100) (All versions), SIPROTEC 5 7SJ81 (CP150) (All versions), SIPROTEC 5 7SJ82 (CP100) (All versions), SIPROTEC 5 7SJ82 (CP150) (All versions), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions), SIPROTEC 5 7SK82 (CP100) (All versions), SIPROTEC 5 7SK82 (CP150) (All versions), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions), SIPROTEC 5 7SL82 (CP100) (All versions), SIPROTEC 5 7SL82 (CP150) (All versions), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions), SIPROTEC 5 7ST86 (CP300) (All versions), SIPROTEC 5 7SX82 (CP150) (All versions), SIPROTEC 5 7SX85 (CP300) (All versions), SIPROTEC 5 7SY82 (CP150) (All versions), SIPROTEC 5 7UM85 (CP300) (All versions), SIPROTEC 5 7UT82 (CP100) (All versions), SIPROTEC 5 7UT82 (CP150) (All versions), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions), SIPROTEC 5 7VE85 (CP300) (All versions), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions), SIPROTEC 5 7VU85 (CP300) (All versions), SIPROTEC 5 Compact 7SX800 (CP050) (All versions). The affected application allows authenticated users to upload arbitrary files using DIGSI 5 protocol. This could allow an attacker to upload malicious configuration files, that could cause denial of service condition and potentially lead to code execution.

CWE-434Unrestricted Upload of File with Dangerous Type

Attack profile

Attack vectorAdjacent
ComplexityLow
PrivilegesHigh
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Affected products

  • Siemens SIPROTEC 5 6MD84 (CP300)before *
  • Siemens SIPROTEC 5 6MD85 (CP200)before *
  • Siemens SIPROTEC 5 6MD85 (CP300)before *
  • Siemens SIPROTEC 5 6MD86 (CP200)before *
  • Siemens SIPROTEC 5 6MD86 (CP300)before *
  • Siemens SIPROTEC 5 6MD89 (CP300)before *
  • Siemens SIPROTEC 5 6MU85 (CP300)before *
  • Siemens SIPROTEC 5 7KE85 (CP200)before *

References

Daily at 7:00 AM Eastern

The 0700 Brief

Every new security and AI story, summarised in one email. Confirm by email, unsubscribe in one click.

43 readers have subscribed