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Fastconnect 7800 Firmware CVE-2025-27056

| EUVDEUVD-2025-20474 HIGH
Use After Free (CWE-416)
2025-07-08 product-security@qualcomm.com
Buffer Overflow Use After Free Memory Corruption Fastconnect 7800 Firmware Qmp1000 Firmware Sm8735 Firmware Sm8750 Firmware Sm8750p Firmware Snapdragon 8 Gen 3 Mobile Firmware Sw5100 Firmware Sw5100p Firmware Sxr2330p Firmware Wcd9378 Firmware Wcd9380 Firmware Wcd9390 Firmware Wcd9395 Firmware Wcn7750 Firmware Wcn7860 Firmware Wcn7861 Firmware Wcn7880 Firmware Wcn7881 Firmware Wsa8830 Firmware Wsa8832 Firmware Wsa8835 Firmware Wsa8840 Firmware Wsa8845 Firmware Wsa8845h Firmware
7.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20474
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
Patch released
Mar 16, 2026 - 04:21 nvd
Patch available
CVE Published
Jul 08, 2025 - 13:15 nvd
HIGH 7.8

DescriptionCVE.org

Memory corruption during sub-system restart while processing clean-up to free up resources.

Analysis

Memory corruption during sub-system restart while processing clean-up to free up resources.

Technical ContextAI

A use-after-free vulnerability occurs when a program continues to use a pointer after the referenced memory has been freed, leading to undefined behavior. This vulnerability is classified as Use After Free (CWE-416).

RemediationAI

A vendor patch is available — apply it immediately. Use memory-safe languages. Implement proper object lifecycle management. Use static and dynamic analysis tools to detect UAF patterns.

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CVE-2025-27056 vulnerability details – vuln.today
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