CVE-2025-47348

Q: What is the severity of CVE-2025-47348?

CVE-2025-47348 has a CVSS score of 7.8 (HIGH). This vulnerability allows memory corruption in the trusted application when processing identity credential operations, potentially leading to arbitrary code execution or system compromise. It affects systems using Qualcomm chipsets with vulnerable trusted applications. The CVSS score of 7.8 indicates high severity.

7.8 HIGH

📋 TL;DR

This vulnerability allows memory corruption in the trusted application when processing identity credential operations, potentially leading to arbitrary code execution or system compromise. It affects systems using Qualcomm chipsets with vulnerable trusted applications. The CVSS score of 7.8 indicates high severity.

💻 Affected Systems

Products:

Qualcomm chipsets with vulnerable trusted applications

Versions: Specific versions not detailed in reference; check Qualcomm advisory for exact affected versions

Operating Systems: Android and other mobile/embedded systems using Qualcomm chipsets

Default Config Vulnerable: ⚠️ Yes

Notes: Vulnerability is in the trusted application layer, which typically runs with elevated privileges.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise with privileged code execution, allowing attackers to bypass security boundaries and access sensitive data or install persistent malware.

🟠

Likely Case

Application crash leading to denial of service, or limited information disclosure from memory corruption.

🟢

If Mitigated

Minimal impact if proper memory protection mechanisms and application sandboxing are enforced.

🌐 Internet-Facing: LOW

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: HIGH

Exploitation requires access to the trusted application interface and knowledge of memory corruption techniques.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Qualcomm security bulletin for specific patched versions

Vendor Advisory: https://docs.qualcomm.com/product/publicresources/securitybulletin/january-2026-bulletin.html

Restart Required: Yes

Instructions:

1. Check Qualcomm security bulletin for affected chipset versions. 2. Obtain firmware/software updates from device manufacturer. 3. Apply updates following manufacturer instructions. 4. Reboot device to activate patches.

🔧 Temporary Workarounds

Restrict trusted application access

all

Limit which applications can interact with the vulnerable trusted application component

Enable memory protection features

all

Ensure ASLR and other memory protection mechanisms are enabled

🧯 If You Can't Patch

Isolate affected devices from critical networks
Implement strict application whitelisting to prevent unauthorized trusted application access

🔍 How to Verify

Check if Vulnerable:

Check device chipset version and compare against Qualcomm's affected products list in the security bulletin

Check Version:

Device-specific commands vary; typically check in Settings > About Phone for chipset/firmware information

Verify Fix Applied:

Verify firmware/software version has been updated to patched version specified in Qualcomm advisory

📡 Detection & Monitoring

Log Indicators:

Unexpected trusted application crashes
Memory access violation logs in system logs
Abnormal identity credential operation patterns

Network Indicators:

Unusual outbound connections from trusted applications
Anomalous authentication/credential traffic patterns

SIEM Query:

source="system_logs" AND (event_type="crash" AND process_name="trusted_app*") OR (event_type="memory_violation" AND component="credential_operations")

📊 Metadata

CVE ID: CVE-2025-47348

CVSS v3 Score: 7.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE: CWE-457

EPSS Score: 0.02% exploit probability (2.5th percentile)

Published: January 7, 2026

Last Updated: January 28, 2026

🔗 References

https://docs.qualcomm.com/product/publicresources/securitybulletin/january-2026-bulletin.html Vendor Advisory

📋 TL;DR

💻 Affected Systems

📦 What is this software?

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Csra6640 Firmware by Qualcomm

Fastconnect 6200 Firmware by Qualcomm

Fastconnect 6700 Firmware by Qualcomm

Fastconnect 6800 Firmware by Qualcomm

Fastconnect 6900 Firmware by Qualcomm

Fastconnect 7800 Firmware by Qualcomm

Qam8255p Firmware by Qualcomm

Qam8295p Firmware by Qualcomm

Qam8620p Firmware by Qualcomm

Qam8650p Firmware by Qualcomm

Qam8775p Firmware by Qualcomm

Qamsrv1h Firmware by Qualcomm

Qamsrv1m Firmware by Qualcomm

Qca6174a Firmware by Qualcomm

Qca6391 Firmware by Qualcomm

Qca6574 Firmware by Qualcomm

Qca6574a Firmware by Qualcomm

Qca6574au Firmware by Qualcomm

Qca6584au Firmware by Qualcomm

Qca6595 Firmware by Qualcomm

Qca6595au Firmware by Qualcomm

Qca6678aq Firmware by Qualcomm

Qca6688aq Firmware by Qualcomm

Qca6696 Firmware by Qualcomm

Qca6698aq Firmware by Qualcomm

Qca6698au Firmware by Qualcomm

Qca6797aq Firmware by Qualcomm

Qca8081 Firmware by Qualcomm

Qca8337 Firmware by Qualcomm

Qcc710 Firmware by Qualcomm

Qcm2290 Firmware by Qualcomm

Qcm4490 Firmware by Qualcomm

Qcm5430 Firmware by Qualcomm

Qcm6125 Firmware by Qualcomm

Qcm6490 Firmware by Qualcomm

Qcm8550 Firmware by Qualcomm

Qcn6024 Firmware by Qualcomm

Qcn6224 Firmware by Qualcomm

Qcn6274 Firmware by Qualcomm

Qcn9011 Firmware by Qualcomm

Qcn9012 Firmware by Qualcomm

Qcn9024 Firmware by Qualcomm

Qcs2290 Firmware by Qualcomm

Qcs4490 Firmware by Qualcomm

Qcs5430 Firmware by Qualcomm

Qcs6125 Firmware by Qualcomm

Qcs615 Firmware by Qualcomm

Qcs6490 Firmware by Qualcomm

Qcs8550 Firmware by Qualcomm

Qcs9100 Firmware by Qualcomm

Qdu1010 Firmware by Qualcomm

Qdx1010 Firmware by Qualcomm

Qdx1011 Firmware by Qualcomm

Qep8111 Firmware by Qualcomm

Qfw7114 Firmware by Qualcomm

Qfw7124 Firmware by Qualcomm

Qmp1000 Firmware by Qualcomm

Robotics Rb2 Platform Firmware by Qualcomm

Sa4150p Firmware by Qualcomm

Sa4155p Firmware by Qualcomm

Sa6145p Firmware by Qualcomm

Sa6150p Firmware by Qualcomm

Sa6155p Firmware by Qualcomm

Sa7255p Firmware by Qualcomm

Sa7775p Firmware by Qualcomm

Sa8145p Firmware by Qualcomm

Sa8150p Firmware by Qualcomm

Sa8155p Firmware by Qualcomm

Sa8195p Firmware by Qualcomm

Sa8255p Firmware by Qualcomm

Sa8295p Firmware by Qualcomm

Sa8540p Firmware by Qualcomm

Sa8620p Firmware by Qualcomm

Sa8650p Firmware by Qualcomm