CVE-2025-21479
Multiple Qualcomm chipsets contain an incorrect authorization vulnerability. This vulnerability allows for memory corruption due to unauthorized…
Browse: All 2025 CVEs · All vendors
- CVSS score
- 8.6 High
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2025-06-03, remediation due 2025-06-24)
- Weakness (CWE)
- CWE-863
- Published
- 2025-06-03
- Last modified
- 2026-06-17
- NVD status
- Analyzed
Description
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 products
- qualcomm aqt1000 firmware
- qualcomm fastconnect 6200 firmware
- qualcomm fastconnect 6700 firmware
- qualcomm fastconnect 6900 firmware
- qualcomm fastconnect 7800 firmware
- qualcomm fastconnect 6800 firmware
- qualcomm qca6391 firmware
- qualcomm qcm4490 firmware
- qualcomm qcs4490 firmware
- qualcomm sd855 firmware
- qualcomm sm4635 firmware
- qualcomm sm6250 firmware
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Federal remediation deadline: 2025-06-24.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
References
- https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2025-bulletin.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21479
FAQ
Is CVE-2025-21479 actively exploited?
Yes. CISA added CVE-2025-21479 to its Known Exploited Vulnerabilities (KEV) catalog on 2025-06-03, with a federal remediation deadline of 2025-06-24. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2025-21479?
CVE-2025-21479 has a CVSS base score of 8.6 (High). Its vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2026-21385 — Qualcomm Multiple Chipsets
- CVE-2025-21480 — Qualcomm Multiple Chipsets
- CVE-2025-27038 — Qualcomm Multiple Chipsets
- CVE-2024-43047 — Qualcomm Multiple Chipsets
- CVE-2023-33107 — Qualcomm Multiple Chipsets
- CVE-2023-33106 — Qualcomm Multiple Chipsets
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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