How severe is CVE-2025-40766?

CVE-2025-40766 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-40766 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-40766?

CVE-2025-40766 affects Siemens Sinec Traffic Analyzer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-40766?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-40766 have an EU (EUVD) identifier?

Yes. CVE-2025-40766 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24236.

When was CVE-2025-40766 published?

CVE-2025-40766 was published on 2025-08-12 and last updated on 2026-06-17.

CVE-2025-40766

CVE-2025-40766 is a medium-severity vulnerability in Siemens Sinec Traffic Analyzer with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 6.8
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24236
Weakness: CWE-400
Affected product: Siemens Sinec Traffic Analyzer
Published: 2025-08-12
Last modified: 2026-06-17

Description

A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions < V3.0). The affected application runs docker containers without adequate resource and security limitations. This could allow an attacker to perform a denial-of-service (DoS) attack.

Frequently asked questions

What is CVE-2025-40766?: A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions < V3.0). The affected application runs docker containers without adequate resource and security limitations. This could allow an attacker to perform a denial-of-service (DoS) attack.
How severe is CVE-2025-40766?: CVE-2025-40766 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-40766 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-40766?: CVE-2025-40766 affects Siemens Sinec Traffic Analyzer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-40766?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40766 have an EU (EUVD) identifier?: Yes. CVE-2025-40766 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24236.
When was CVE-2025-40766 published?: CVE-2025-40766 was published on 2025-08-12 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-517338.html

Affected products (1)

cpe:2.3:a:siemens:sinec_traffic_analyzer:*:*:*:*:*:*:*:*

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CVE-2025-40767 — High (CVSS 7.8): A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions < V3.0). The affected…
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