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Vulnerabilities

Vulnerability · CVE-2026-25655

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP2).

Published Feb 10, 2026 · catalog updated Feb 10, 2026 · Siemens SINEC NMS

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-25655. EPSS is 0.26%. Act only if a listed version of Siemens SINEC NMS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.26%
Remediation
Version ranges on file
Affected products
vendor Siemens SINEC NMS 0 <V4.0 SP2

A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP2). The affected application permits improper modification of a configuration file by a low-privileged user. This could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with administrative privilege.(ZDI-CAN-28107)

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Siemens SINEC NMS 0 <V4.0 SP20 <V4.0 SP2

How to fix CVE-2026-25655

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-25655. EPSS is 0.26%. Act only if a listed version of Siemens SINEC NMS is installed.

Which versions are affected?

Compare what you have installed with Siemens SINEC NMS 0 <V4.0 SP2 0 <V4.0 SP2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 10, 2026 · EUVD

    Detected

    A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP2). The affected application permits improper modification of a configuration file by a low-privileged user. This could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with administrative privilege.(ZDI-CAN-28107)

  2. Feb 10, 2026 · EUVD

    Updated

    A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP2). The affected application permits improper modification of a configuration file by a low-privileged user. This could allow an attacker to load malicious DLLs, potentially leading to arbitrary code execution with administrative privilege.(ZDI-CAN-28107)

Sources

  • CVE.orgVulnerability recordCVE-2026-25655

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-25655

    30-day exploitation probability 0.26%

    first.org
  • EUVDVulnerability recordEUVD-2026-6889

    A vulnerability has been identified in SINEC NMS (All versions < V4.0 SP2). The affected application permits improper modification of a configuration file by a low-privileged user. This could allow an attacker to load malicious DLLs, potentially leading to arbitrary code executio

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 3, 2026