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Findings

CVE-2025-21479

Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability

Published Jun 3, 2025 · corrected/updated Jun 17, 2026 · qualcomm aqt1000 firmware · evidence confidence very high

Multiple Qualcomm chipsets contain an incorrect authorization vulnerability. This vulnerability allows for memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-21479 is a high public vulnerability record for qualcomm aqt1000 firmware. CISA lists it as known exploited. Published remediation guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether qualcomm aqt1000 firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: qualcomm/aqt1000 firmware; qualcomm/fastconnect 6200 firmware; qualcomm/fastconnect 6700 firmware; qualcomm/fastconnect 6800 firmware. Published remediation guidance: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 8.6, EPSS 0.8%. CISA lists it as known exploited. Weakness classes: CWE-863. Sources contributing to this record: cisa_kev, cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Confirmed in CISA KEV since Jun 3, 2025. Listed in the CISA Known Exploited Vulnerabilities catalog.

  • Patch and remediation

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA due date Jun 24, 2025.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

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. Jun 3, 2025 · Catalog

    Detected

    Multiple Qualcomm chipsets contain an incorrect authorization vulnerability. This vulnerability allows for memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

  2. Jun 3, 2025 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  3. Jun 24, 2025 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  4. Jun 17, 2026 · Catalog

    Updated

    Multiple Qualcomm chipsets contain an incorrect authorization vulnerability. This vulnerability allows for memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

Affected

  • cpe qualcomm/aqt1000 firmwareversion unspecified
  • cpe qualcomm/fastconnect 6200 firmwareversion unspecified
  • cpe qualcomm/fastconnect 6700 firmwareversion unspecified
  • cpe qualcomm/fastconnect 6800 firmwareversion unspecified
  • cpe qualcomm/fastconnect 6900 firmwareversion unspecified
  • cpe qualcomm/fastconnect 7800 firmwareversion unspecified
  • cpe qualcomm/qca6391 firmwareversion unspecified
  • cpe qualcomm/qcm4490 firmwareversion unspecified
  • cpe qualcomm/qcs4490 firmwareversion unspecified
  • cpe qualcomm/sd855 firmwareversion unspecified
  • cpe qualcomm/sm4635 firmwareversion unspecified
  • cpe qualcomm/sm6250 firmwareversion unspecified
  • vendor Qualcomm Multiple Chipsetsversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2025-21479

    Multiple Qualcomm chipsets contain an incorrect authorization vulnerability. This vulnerability allows for memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2025-21479

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-21479

    30-day exploitation probability 0.8%

    first.org
  • NIST NVDVulnerability recordCVE-2025-21479

    Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.

    nvd.nist.gov

References