# CVE-2025-30509: Improper input validation for some Intel QuickAssist Technology software before version 2.6.0 within Ring 3: User…

Source: https://junglewise.ai/threats/cve-2025-30509-improper-input-validation-for-some-intel-quickassist-technology  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-11-11  
License: CC BY 4.0 with a link back

CVE-2025-30509 · Severity: low · CVSS 3.8 · Published 2025-11-11

Improper input validation for some Intel QuickAssist Technology software before version 2.6.0 within Ring 3: User Applications may allow an escalation of privilege. System software adversary with an authenticated user combined with a low complexity attack may enable data manipulation. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (low) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

Technologies: [Intel Quickassist Technology](https://junglewise.ai/threats/technologies/quickassist-technology). Vendors: [Intel](https://junglewise.ai/threats/vendors/intel).

## Quick answers

**Is CVE-2025-30509 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-30509 being exploited in the wild.

**How severe is CVE-2025-30509?** Low severity, with a CVSS score of 3.8, published 11 November 2025.

**Which products and versions are affected?** Intel Quickassist Technology. The advisory does not name versions.

**Is there a fix for CVE-2025-30509?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-30509?** Check whether you run Intel Quickassist Technology. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Intel Quickassist Technology

## Related threats

- [Intel QAT software drivers for Windows improper input validation](https://junglewise.ai/threats/cve-2026-20767-intel-qat-software-drivers-for-windows-improper-input-validation)
- [Intel QAT software drivers for Windows out-of-bounds write](https://junglewise.ai/threats/cve-2026-20714-intel-qat-software-drivers-for-windows-out-of-bounds-write)
- [Intel QAT software drivers null pointer dereference](https://junglewise.ai/threats/cve-2026-20914-intel-qat-software-drivers-null-pointer-dereference)
- [Intel QAT software drivers improper input validation in Windows](https://junglewise.ai/threats/cve-2026-20905-intel-qat-software-drivers-improper-input-validation-in-windows)
- [Intel QAT software drivers divide by zero in Ring 3 User Applications](https://junglewise.ai/threats/cve-2026-20881-intel-qat-software-drivers-divide-by-zero-in-ring-3-user)