CVE-2025-21445
Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Data HLOS - QX
Memory corruption while copying the result to the transmission queue which is shared between the virtual machine and the host.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Data HLOS - QX
Memory corruption while copying the result to the transmission queue which is shared between the virtual machine and the host.
- Record
CVE-2025-21445- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2025-20488
Memory corruption while copying the result to the transmission queue which is shared between the virtual machine and the host.
- Record
EUVD-2025-20488- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4pxr-jjw5-gwm3
Memory corruption while copying the result to the transmission queue which is shared between the...
Memory corruption while copying the result to the transmission queue which is shared between the virtual machine and the host.
- Record
GHSA-4pxr-jjw5-gwm3- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
Memory corruption while copying the result to the transmission queue which is shared between the virtual machine and the host.
- Record
CVE-2025-21445- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
- qualcomm qam8255p firmware
- qualcomm qam8295p firmware
- qualcomm qam8620p firmware
- qualcomm qam8650p firmware
- qualcomm qam8775p firmware
- qualcomm qamsrv1h firmware
- qualcomm qamsrv1m firmware
- qualcomm qca6574au firmware
- qualcomm qca6595 firmware
- qualcomm qca6595au firmware
- qualcomm qca6688aq firmware
- qualcomm qca6696 firmware
Show 16 moreShow less
- qualcomm qca6698aq firmware
- qualcomm qca6797aq firmware
- qualcomm sa7255p firmware
- qualcomm sa7775p firmware
- qualcomm sa8255p firmware
- qualcomm sa8295p firmware
- qualcomm sa8540p firmware
- qualcomm sa8620p firmware
- qualcomm sa8650p firmware
- qualcomm sa8770p firmware
- qualcomm sa8775p firmware
- qualcomm sa9000p firmware
- qualcomm srv1h firmware
- qualcomm srv1l firmware
- qualcomm srv1m firmware
- qualcomm, inc. snapdragon
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-21445 is a high vulnerability (CVSS 7.8) in Qualcomm Qam8255p Firmware, published July 8, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. No source names a fixed version.