What is the CVSS score of CVE-2025-21474?

CVE-2025-21474 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Fastconnect 6800 Firmware are affected by CVE-2025-21474?

CVE-2025-21474 presents notable security risk, a use-after-free vulnerability rated CVSS 7.8. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-21474?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. If patching is delayed, consider network segmentation to limit exposure.

Fastconnect 6800 Firmware CVE-2025-21474

HIGH

Use After Free (CWE-416)

2025-08-06 product-security@qualcomm.com

Buffer Overflow Use After Free Memory Corruption Fastconnect 6800 Firmware Fastconnect 6900 Firmware Fastconnect 7800 Firmware Qam8295p Firmware Qca6391 Firmware Qca6426 Firmware Qca6436 Firmware Qca6574au Firmware Qca6696 Firmware Qcn9074 Firmware Qcs410 Firmware Qcs610 Firmware Sa6145p Firmware Sa6150p Firmware Sa6155p Firmware Sa8145p Firmware Sa8150p Firmware Sa8155p Firmware Sa8195p Firmware Sa8295p Firmware Sd865 5g Firmware Snapdragon 8 Gen 1 Mobile Platform Firmware Snapdragon 865 5g Mobile Platform Firmware Snapdragon X55 5g Modem Rf System Firmware Snapdragon Xr2 5g Platform Firmware Sw5100 Firmware Sw5100p Firmware Sxr2130 Firmware Video Collaboration Vc1 Platform Firmware Video Collaboration Vc3 Platform Firmware Wcd9341 Firmware Wcd9370 Firmware Wcd9380 Firmware Wcn3660b Firmware Wcn3680b Firmware Wcn3950 Firmware Wcn3980 Firmware Wcn3988 Firmware Wsa8810 Firmware Wsa8815 Firmware Wsa8830 Firmware Wsa8835 Firmware Snapdragon 865 5G Mobile Platform Sm8250 Ab Firmware Snapdragon 870 5G Mobile Platform Sm8250 Ac Firmware Snapdragon W5 Gen 1 Wearable Platform Firmware

7.8

CVSS 3.1

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

Analysis Generated

Mar 28, 2026 - 19:05 vuln.today

CVE Published

Aug 06, 2025 - 08:15 nvd

HIGH 7.8

DescriptionNVD

Memory corruption while processing commands from A2dp sink command queue.

AnalysisAI

Memory corruption while processing commands from A2dp sink command queue. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. Memory corruption while processing commands from A2dp sink command queue. Affected products include: Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qam8295P Firmware, Qualcomm Qca6391 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

CVE-2025-21474 vulnerability details – vuln.today

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Fastconnect 6800 Firmware CVE-2025-21474

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code