Skip to content
Fencer Intel
high 7.2

CVE-2025-40815 json

A vulnerability has been identified in LOGO!

published 11mo ago modified 27d ago also EUVD-2025-106750

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA2) (All versions < V1.84.05), LOGO! 12/24RCEo (6ED1052-2MD08-0BA2) (All versions < V1.84.05), LOGO! 230RCE (6ED1052-1FB08-0BA2) (All versions < V1.84.05), LOGO! 230RCEo (6ED1052-2FB08-0BA2) (All versions < V1.84.05), LOGO! 24CE (6ED1052-1CC08-0BA2) (All versions < V1.84.05), LOGO! 24CEo (6ED1052-2CC08-0BA2) (All versions < V1.84.05), LOGO! 24RCE (6ED1052-1HB08-0BA2) (All versions < V1.84.05), LOGO! 24RCEo (6ED1052-2HB08-0BA2) (All versions < V1.84.05), SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA2) (All versions < V1.84.05), SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA2) (All versions < V1.84.05). Affected devices do not properly validate the structure of TCP packets in several methods. This could allow an attacker to cause buffer overflows, get control over the instruction counter and run custom code.

Patch / fix

  • Siemens LOGO! 12/24RCE V1.84.05
  • Siemens LOGO! 12/24RCEo V1.84.05
  • Siemens LOGO! 230RCE V1.84.05
  • Siemens LOGO! 230RCEo V1.84.05
  • Siemens LOGO! 24CE V1.84.05
  • Siemens LOGO! 24CEo V1.84.05
  • Siemens LOGO! 24RCE V1.84.05
  • Siemens LOGO! 24RCEo V1.84.05
  • Siemens SIPLUS LOGO! 12/24RCE V1.84.05
  • Siemens SIPLUS LOGO! 12/24RCEo V1.84.05
  • Siemens SIPLUS LOGO! 230RCE V1.84.05
  • Siemens SIPLUS LOGO! 230RCEo V1.84.05
  • Siemens SIPLUS LOGO! 24CE V1.84.05
  • Siemens SIPLUS LOGO! 24CEo V1.84.05
  • Siemens SIPLUS LOGO! 24RCE V1.84.05
  • Siemens SIPLUS LOGO! 24RCEo V1.84.05

Is CVE-2025-40815 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

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

cisa ICSA-25-317-13 updated cvss 7.2

Siemens LOGO! 8 BM Devices

  • Siemens LOGO! 12/24RCE (6ED1052-1MD08-0BA2) Siemens LOGO! 12/24RCEo (6ED1052-2MD08-0BA2) Siemens LOGO! 24CE (6ED1052-1CC08-0BA2) Siemens LOGO! 24CEo (6ED1052-2CC08-0BA2) Siemens LOGO! 24RCE (6ED1052-1HB08-0BA2) Siemens LOGO! 24RCEo (6ED1052-2HB08-0BA2)
    +10 more products
    Siemens LOGO! 230RCE (6ED1052-1FB08-0BA2) Siemens LOGO! 230RCEo (6ED1052-2FB08-0BA2) Siemens SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA2) Siemens SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA2) Siemens SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA2) Siemens SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA2) Siemens SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA2) Siemens SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA2) Siemens SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA2) Siemens SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA2)
    affected: mitigation, no fix available

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
total
Assessed
11mo ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 4.0 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA 4.0 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/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 LOGO! 12/24RCE
  • Siemens LOGO! 12/24RCEo
  • Siemens LOGO! 230RCE
  • Siemens LOGO! 230RCEo
  • Siemens LOGO! 24CE
  • Siemens LOGO! 24CEo
  • Siemens LOGO! 24RCE
  • Siemens LOGO! 24RCEo
  • Siemens SIPLUS LOGO! 12/24RCE
  • Siemens SIPLUS LOGO! 12/24RCEo
  • Siemens SIPLUS LOGO! 230RCE
  • Siemens SIPLUS LOGO! 230RCEo
  • Siemens SIPLUS LOGO! 24CE
  • Siemens SIPLUS LOGO! 24CEo
  • Siemens SIPLUS LOGO! 24RCE
  • Siemens SIPLUS LOGO! 24RCEo

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.