Security readout for executives and security teams
Plain-English summary
CVE-2025-70067 is a critical heap buffer overflow in Assimp’s FBX importer. A crafted FBX file can trigger unsafe copying of a property key into a fixed-size buffer. Organizations using Assimp to process untrusted 3D model files should treat this as urgent, especially in internet-facing upload or conversion workflows.
Executive priority
High priority for teams handling 3D assets or file uploads. The business risk is highest where untrusted FBX files are automatically parsed. Immediate focus should be inventory, exposure reduction, and vendor remediation tracking.
Technical view
The CVE describes CWE-122 in Assimp versions up to 6.0.2. In aiMaterial::AddBinaryProperty, a property key string from a crafted FBX file is copied with strcpy() into a fixed-size heap buffer without runtime length validation. CVSS 3.1 is 9.8, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely where applications, pipelines, or services use Assimp to import FBX files from users, partners, marketplaces, or automated feeds. The CVE record does not provide CPEs, packaged product names, or downstream vendor mappings, so dependency inventory is required.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. A public GitHub gist is referenced by the CVE, indicating public technical information exists. Do not assume exploitation in the wild without additional evidence.
Researcher notes
The CVE metadata lists Assimp up to 6.0.2 but affected CPE/product fields are incomplete. The CVSS vector says network exploitable with no user interaction; practical reachability depends on how Assimp is embedded and whether untrusted FBX parsing is exposed.
Mitigation direction
- Inventory applications and services that include Assimp or process FBX files.
- Check Assimp project and vendor guidance for a fixed version or official workaround.
- Disable FBX import where it is not business-critical.
- Block or quarantine untrusted FBX uploads until remediation is confirmed.
- Run file parsing in sandboxed, least-privilege environments.
- Prioritize externally reachable upload, preview, and conversion services.
Validation and detection
- Confirm Assimp versions in SBOMs, containers, packages, and bundled libraries.
- Identify workflows that accept FBX files from untrusted sources.
- Verify whether the FBX importer is compiled, enabled, or reachable.
- Check vendor advisories for remediation status before closing findings.
- Review logs for crashes or abnormal parser failures around FBX processing.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-122: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-70067 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/assimp/assimpCVE reference, mitre
- https://gist.github.com/GunP4ng/b6653184a4c5c3e608e6368227397505CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.