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Vulnerabilities

Vulnerability · CVE-2025-29931

A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2).

Published Apr 17, 2025 · catalog updated Apr 17, 2025 · Siemens TeleControl Server Basic

Check if you run it

No confirmed exploitation is on record for CVE-2025-29931. EPSS is 0.44%. Act only if a listed version of Siemens TeleControl Server Basic is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.44%
Remediation
Version ranges on file
Affected products
vendor Siemens TeleControl Server Basic 0 <V3.1.2.2

A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected product does not properly validate a length field in a serialized message which it uses to determine the amount of memory to be allocated for deserialization. This could allow an unauthenticated remote attacker to cause the application to allocate exhaustive amounts of memory and subsequently create a partial denial of service condition. Successful exploitation is only possible in redundant Telecontrol Server Basic setups and only if the connection between the redundant servers has been disr

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 TeleControl Server Basic 0 <V3.1.2.20 <V3.1.2.2

How to fix CVE-2025-29931

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-2025-29931. EPSS is 0.44%. Act only if a listed version of Siemens TeleControl Server Basic is installed.

Which versions are affected?

Compare what you have installed with Siemens TeleControl Server Basic 0 <V3.1.2.2 0 <V3.1.2.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.44%. 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. Apr 17, 2025 · EUVD

    Detected

    A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected product does not properly validate a length field in a serialized message which it uses to determine the amount of memory to be allocated for deserialization. This could allow an unauthenticated remote attacker to cause the application to allocate exhaustive amounts of memory and subsequently cr

  2. Apr 17, 2025 · EUVD

    Updated

    A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected product does not properly validate a length field in a serialized message which it uses to determine the amount of memory to be allocated for deserialization. This could allow an unauthenticated remote attacker to cause the application to allocate exhaustive amounts of memory and subsequently cr

Sources

  • CVE.orgVulnerability recordCVE-2025-29931

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-29931

    30-day exploitation probability 0.4%

    first.org
  • EUVDVulnerability recordEUVD-2025-11509

    A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). The affected product does not properly validate a length field in a serialized message which it uses to determine the amount of memory to be allocated for deserialization. This could allow

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.