CVE-2025-21479
Incorrect Authorization in Graphics
Exploited in the wild. In CISA KEV since 2025‑06‑03. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
Memory corruption due to unauthorized command execution in GPU micronode while executing specific sequence of commands.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Listed as exploited in the wild since 2025-06-03.
US federal agencies must remediate by 2025-06-24.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.8% chance of exploitation activity in the next 30 days, which ranks it in the 56th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 147 days, from the signal feeds we watch.
- Patch availablerecord updated
- Added to CISA KEVpublished, weakness classified, att&ck mapped
Affected products
- aqt1000 firmwareHardware Firmware
- fastconnect 6200 firmwareHardware Firmware
- fastconnect 6700 firmwareHardware Firmware
- fastconnect 6900 firmwareHardware Firmware
- fastconnect 7800 firmwareHardware Firmware
- fastconnect 6800 firmwareHardware Firmware
- qca6391 firmwareHardware Firmware
- qcm4490 firmwareHardware Firmware
And 142 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Scored 8.6 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
Watch the software you run.
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We'll flag the next CVE, public exploit or patch for Aqt1000 Firmware, not every advisory. This one: actively exploited.
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