Out Of Bounds Write when parsing a DSB file with Digilent DASYLab
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
There is an out of bounds write vulnerability due to improper bounds checking resulting in a large destination address when parsing a DSB file with Digilent DASYLab. This vulnerability may result in arbitrary code execution. Successful exploitation requires an attacker to get a user to open a specially crafted DSB file. The vulnerability affects all versions of DASYLab.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA DASYLab (measX) Fixed in 2026.0.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-9189
- 2026-10-03 Alias added: GHSA-575v-6pw9-4q2m
References
Advisory 2
- https://www.ni.com/en/support/security/available-critical-and-security-updates-for-ni-software/memory-corruption-vulnerabilities-in-digilent-dasylab.html
- https://www.measx.com/en/service/productsecurity/security-updates-for-measx-software/159-securityupdates/1077-deserialization-of-untrusted-data-vulnerability-in-dasylab.html
More NI Dasylab vulnerabilities
- TI-2025-35663 Out Of Bounds Write to invalid source address when parsing a DSB file with Digilent DASYLab CVSS 4.0HIGH 8.5
- TI-2025-35662 Out Of Bounds Write in displ2.dll when parsing a DSB file with Digilent DASYLab CVSS 4.0HIGH 8.5
- TI-2025-35661 Out Of Bounds Write to invalid address when parsing a DSB file with Digilent DASYLab CVSS 4.0HIGH 8.5
- TI-2025-35659 Out Of Bounds Write of invalid data when parsing a DSB file with Digilent DASYLab CVSS 4.0HIGH 8.5
- TI-2025-08425 Deserialization of Untrusted Data when parsing a DSB file with Digilent DASYLab CVSS 4.0HIGH 8.5
- TI-2026-45764 Out Of Bounds Read in during string conversionwhen parsing a .DSB file in DASYLab CVSS 4.0HIGH 8.5
Sources
- CVE-2025-9189 · CVE Program
- CVE-2025-9189 · NVD
- FIRST EPSS
- GHSA-575v-6pw9-4q2m · GitHub Advisory Database · CC BY 4.0
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