CVE-2025-21480: Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 3 Jun 2025, the same day the CVE record was published.

How likely is exploitation in the next 30 days?

0.5%

EPSS score, percentile 39.9 of all scored records

How severe?

8.6 High

CVSS v3.1 base score, given by the CNA

What should I do?

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

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

• AQT1000
• FastConnect 6200
• FastConnect 6700
• FastConnect 6800
• FastConnect 6900
• FastConnect 7800

and 6 more in the table below

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

CISA due date for this action: 24 June 2025.

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

Linked from CISA's catalog entry

• https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2025-bulletin.html
• https://nvd.nist.gov/vuln/detail/CVE-2025-21480

Affected products and versions

As listed in the CVE record.

Versions not listed are: unaffected.

And 64 more version entries in the CVE record.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

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.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

• CISA added CVE-2025-21480 to its Known Exploited Vulnerabilities (KEV) catalog on 3 Jun 2025.
• CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
• The due date CISA sets for the required action is 24 Jun 2025.
• The CVE record was published on 3 Jun 2025, the same day it was added to KEV.
• The CVE record carries a CVSS v3.1 base score of 8.6 (High), given by its CNA.
• FIRST's EPSS model puts the probability of exploitation in the next 30 days at 0.5% (percentile 39.9), as of 28 Oct 2026.
• CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

Incorrect Authorization in Graphics Windows

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

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

• CWE-863: Incorrect Authorization

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

References

• docs.qualcomm.com

More exploited Qualcomm vulnerabilities

• CVE-2026-21385: Qualcomm Multiple Chipsets Memory Corruption Vulnerability (added 3 Mar 2026)
• CVE-2025-21479: Qualcomm Multiple Chipsets Incorrect Authorization Vulnerability (added 3 Jun 2025)
• CVE-2025-27038: Qualcomm Multiple Chipsets Use-After-Free Vulnerability (added 3 Jun 2025)
• CVE-2024-43047: Qualcomm Multiple Chipsets Use-After-Free Vulnerability (added 8 Oct 2024)
• CVE-2022-22071: Qualcomm Multiple Chipsets Use-After-Free Vulnerability (added 5 Dec 2023)
• CVE-2023-33063: Qualcomm Multiple Chipsets Use-After-Free Vulnerability (added 5 Dec 2023)