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Fencer Intel
medium 6.1

CVE-2025-40808 json

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (…

published 5mo ago modified 3mo ago also EUVD-2025-210083

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

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.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-174-02 updated cvss 6.1

Siemens SIPROTEC 5 Using DIGSI5 Protocol

  • Siemens SIPROTEC 5 6MD84 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 6MD85 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 6MD85 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 6MD86 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 6MD86 (CP300) Siemens SIPROTEC 5 6MD89 (CP300) Siemens SIPROTEC 5 6MU85 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7KE85 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7KE85 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SA82 (CP100)
    affected: mitigation, no fix planned
show 30 more
  • Siemens SIPROTEC 5 7SA82 (CP150)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SA86 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SA86 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SA87 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SA87 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SD82 (CP100)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SD82 (CP150)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SD86 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SD86 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SD87 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SD87 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SJ81 (CP100)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SJ81 (CP150)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SJ82 (CP100)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SJ82 (CP150)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SJ85 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SJ85 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SJ86 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SJ86 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SK82 (CP100)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SK82 (CP150)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SK85 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SK85 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SL82 (CP100)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SL82 (CP150)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SL86 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SL86 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SL87 (CP200)
    affected: mitigation, no fix planned
  • Siemens SIPROTEC 5 7SL87 (CP300)
    affected: mitigation, no fix available
  • Siemens SIPROTEC 5 7SS85 (CP200)
    affected: mitigation, no fix planned

21 more affected in the full advisory

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
5mo ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CNA 4.0 6.9 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 4.0 6.9 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Siemens SIPROTEC 5 6MD84 (CP300)
  • Siemens SIPROTEC 5 6MD85 (CP200)
  • Siemens SIPROTEC 5 6MD85 (CP300)
  • Siemens SIPROTEC 5 6MD86 (CP200)
  • Siemens SIPROTEC 5 6MD86 (CP300)
  • Siemens SIPROTEC 5 6MD89 (CP300)
  • Siemens SIPROTEC 5 6MU85 (CP300)
  • Siemens SIPROTEC 5 7KE85 (CP200)
  • Siemens SIPROTEC 5 7KE85 (CP300)
  • Siemens SIPROTEC 5 7SA82 (CP100)
  • Siemens SIPROTEC 5 7SA82 (CP150)
  • Siemens SIPROTEC 5 7SA86 (CP200)
  • Siemens SIPROTEC 5 7SA86 (CP300)
  • Siemens SIPROTEC 5 7SA87 (CP200)
  • Siemens SIPROTEC 5 7SA87 (CP300)
  • Siemens SIPROTEC 5 7SD82 (CP100)
  • Siemens SIPROTEC 5 7SD82 (CP150)
  • Siemens SIPROTEC 5 7SD86 (CP200)
  • Siemens SIPROTEC 5 7SD86 (CP300)
  • Siemens SIPROTEC 5 7SD87 (CP200)
  • Siemens SIPROTEC 5 7SD87 (CP300)
  • Siemens SIPROTEC 5 7SJ81 (CP100)
  • Siemens SIPROTEC 5 7SJ81 (CP150)
  • Siemens SIPROTEC 5 7SJ82 (CP100)
  • Siemens SIPROTEC 5 7SJ82 (CP150)
  • Siemens SIPROTEC 5 7SJ85 (CP200)
  • Siemens SIPROTEC 5 7SJ85 (CP300)
  • Siemens SIPROTEC 5 7SJ86 (CP200)
  • Siemens SIPROTEC 5 7SJ86 (CP300)
  • Siemens SIPROTEC 5 7SK82 (CP100)
  • Siemens SIPROTEC 5 7SK82 (CP150)
  • Siemens SIPROTEC 5 7SK85 (CP200)
  • Siemens SIPROTEC 5 7SK85 (CP300)
  • Siemens SIPROTEC 5 7SL82 (CP100)
  • Siemens SIPROTEC 5 7SL82 (CP150)
  • Siemens SIPROTEC 5 7SL86 (CP200)
  • Siemens SIPROTEC 5 7SL86 (CP300)
  • Siemens SIPROTEC 5 7SL87 (CP200)
  • Siemens SIPROTEC 5 7SL87 (CP300)
  • Siemens SIPROTEC 5 7SS85 (CP200)
  • Siemens SIPROTEC 5 7SS85 (CP300)
  • Siemens SIPROTEC 5 7ST85 (CP200)
  • Siemens SIPROTEC 5 7ST85 (CP300)
  • Siemens SIPROTEC 5 7ST86 (CP300)
  • Siemens SIPROTEC 5 7SX82 (CP150)
  • Siemens SIPROTEC 5 7SX85 (CP300)
  • Siemens SIPROTEC 5 7SY82 (CP150)
  • Siemens SIPROTEC 5 7UM85 (CP300)
  • Siemens SIPROTEC 5 7UT82 (CP100)
  • Siemens SIPROTEC 5 7UT82 (CP150)

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.