CVE-2025-21480
HighExploitedPublic exploitMemory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.
Published Jun 3, 2025 · Updated Feb 26, 2026
Key Facts
Patch immediately- CVE-2025-21480 is a high-severity vulnerability (CVSS 8.6 v3.1) affecting Aqt1000 Firmware (Qualcomm), Fastconnect 6200 Firmware (Qualcomm), Fastconnect 6700 Firmware (Qualcomm) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 2, 2025. Public exploit code is available.
- EPSS estimates a 0.5% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
0.5%
Higher than 38.4% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-21480 brief as a PDF
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Description
Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jun 3, 2025 | Jun 24, 2025 | Not reported |
| Industry KEV feed | Jun 2, 2025 | Jun 24, 2025 | Not reported |
| CIRCL KEV | Jun 3, 2025 | Jun 24, 2025 | Not reported |
| ENISA EUVD | Jun 3, 2025 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
77 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Aqt1000 FirmwareQualcomm | See advisory | n/a |
| Fastconnect 6200 FirmwareQualcomm | See advisory | n/a |
| Fastconnect 6700 FirmwareQualcomm | See advisory | n/a |
| Fastconnect 6800 FirmwareQualcomm | See advisory | n/a |
| Fastconnect 6900 FirmwareQualcomm | See advisory | n/a |
Timeline
Added to Industry KEV feed
Jun 2, 2025
Publicly disclosed
Jun 3, 2025
Added to CISA KEV
Jun 3, 2025
Added to CIRCL KEV
Jun 3, 2025
Added to ENISA EUVD
Jun 3, 2025
Last updated
Feb 26, 2026
Weakness Type
- CWE-863 Incorrect Authorization
References
FAQ
Common Questions.
Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.
Affected: Aqt1000 Firmware (Qualcomm); Fastconnect 6200 Firmware (Qualcomm); Fastconnect 6700 Firmware (Qualcomm), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 2, 2025.
Yes. It was added on Jun 3, 2025 with a federal remediation due date of Jun 24, 2025.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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