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VulnerabilityPublished

CVE-2025-40829: Siemens Simcenter Femap · Use of Uninitialized Resource

Affects Siemens Simcenter FemapSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 12 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Siemens Simcenter FemapAffected
  • =0
Fixed in–

AI-suggested

  1. Until Siemens releases an official patch, restrict the opening of SLDPRT files from untrusted or external sources.
  2. Implement strict file validation and scanning policies for CAD files entering the network, using sandboxing or specialized malware detection tools capable of analyzing CAD file formats.
  3. Educate users about the risks of opening unsolicited or suspicious CAD files, emphasizing the need for caution and verification.
  4. Employ application whitelisting and privilege restrictions to limit the execution context of Simcenter Femap, reducing the impact of potential code execution.
  5. Monitor system and application logs for unusual behavior indicative of exploitation attempts, such as unexpected crashes or process anomalies.
  6. Isolate critical engineering workstations from general-purpose networks to reduce exposure.
  7. Maintain up-to-date backups of engineering data to enable recovery in case of compromise.
  8. Engage with Siemens support channels for updates on patch availability and apply updates promptly once released.

Description

A vulnerability has been identified in Simcenter Femap (All versions < V2512). The affected applications contains an uninitialized memory vulnerability while parsing specially crafted SLDPRT files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-27146)

References

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