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Fastconnect 6700 Firmware CVE-2025-27047

| EUVDEUVD-2025-20469 HIGH
Use After Free (CWE-416)
2025-07-08 product-security@qualcomm.com
Buffer Overflow Use After Free Memory Corruption Fastconnect 6700 Firmware Fastconnect 6900 Firmware Fastconnect 7800 Firmware Qcm5430 Firmware Qcm6490 Firmware Qcs5430 Firmware Qcs6490 Firmware Sc8280xp Abbb Firmware Sc8380xp Firmware Video Collaboration Vc3 Platform Firmware Wcd9370 Firmware Wcd9375 Firmware Wcd9380 Firmware Wcd9385 Firmware Wsa8830 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

3
EUVD ID Assigned
Mar 16, 2026 - 04:21 euvd
EUVD-2025-20469
Analysis Generated
Mar 16, 2026 - 04:21 vuln.today
CVE Published
Jul 08, 2025 - 13:15 nvd
HIGH 7.8

DescriptionCVE.org

Memory corruption while processing the TESTPATTERNCONFIG escape path.

Analysis

Memory corruption while processing the TESTPATTERNCONFIG escape path.

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

Use memory-safe languages. Implement proper object lifecycle management. Use static and dynamic analysis tools to detect UAF patterns.

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Same weakness CWE-416 – Use After Free

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Same technique Buffer Overflow

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CVE-2025-27047 vulnerability details – vuln.today
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