CVE-2025-47331

Q: What is the severity of CVE-2025-47331?

CVE-2025-47331 has a CVSS score of 6.1 (MEDIUM). This CVE describes an information disclosure vulnerability in Qualcomm firmware that leaks sensitive data when processing firmware events. It affects devices using vulnerable Qualcomm chipsets, potentially exposing system information to attackers.

6.1 MEDIUM

📋 TL;DR

This CVE describes an information disclosure vulnerability in Qualcomm firmware that leaks sensitive data when processing firmware events. It affects devices using vulnerable Qualcomm chipsets, potentially exposing system information to attackers.

💻 Affected Systems

Products:

Qualcomm chipsets with vulnerable firmware

Versions: Specific versions not detailed in reference

Operating Systems: Android, embedded systems using Qualcomm chips

Default Config Vulnerable: ⚠️ Yes

Notes: Affects devices with vulnerable Qualcomm firmware versions; exact product list requires checking Qualcomm advisory

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could extract sensitive system information, cryptographic keys, or memory contents leading to further system compromise.

🟠

Likely Case

Limited information disclosure revealing system configuration details or partial memory contents.

🟢

If Mitigated

Minimal impact with proper access controls and network segmentation in place.

🌐 Internet-Facing: MEDIUM

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation requires local access or ability to trigger firmware events; no public exploit available

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Qualcomm January 2026 security bulletin

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

Restart Required: Yes

Instructions:

1. Check Qualcomm advisory for affected chipsets 2. Obtain firmware updates from device manufacturer 3. Apply firmware updates following manufacturer instructions 4. Reboot device

🔧 Temporary Workarounds

Restrict physical access

all

Limit physical access to devices to prevent local exploitation

Network segmentation

all

Isolate affected devices from sensitive networks

🧯 If You Can't Patch

Implement strict access controls to limit who can interact with affected devices
Monitor for unusual firmware event activity and information disclosure attempts

🔍 How to Verify

Check if Vulnerable:

Check device firmware version against Qualcomm advisory; use manufacturer-specific commands to query firmware version

Check Version:

Manufacturer-specific (e.g., 'getprop ro.bootloader' on Android devices)

Verify Fix Applied:

Verify firmware version has been updated to patched version per Qualcomm bulletin

📡 Detection & Monitoring

Log Indicators:

Unusual firmware event logs
Unexpected information access attempts in system logs

Network Indicators:

Unusual outbound data from embedded devices
Anomalous firmware communication patterns

SIEM Query:

Search for firmware-related error events or unauthorized access attempts to firmware interfaces

📊 Metadata

CVE ID: CVE-2025-47331

CVSS v3 Score: 6.1 (MEDIUM)

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

CWE: CWE-126

EPSS Score: 0.01% exploit probability (1.8th percentile)

Published: January 7, 2026

Last Updated: January 28, 2026

🔗 References

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

📋 TL;DR

💻 Affected Systems

📦 What is this software?

Ar8031 Firmware by Qualcomm

Ar8035 Firmware by Qualcomm

Csr8811 Firmware by Qualcomm

Csra6620 Firmware by Qualcomm

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

Flight Rb5 5g Platform Firmware by Qualcomm

Fsm10056 Firmware by Qualcomm

Fsm20055 Firmware by Qualcomm

Fsm20056 Firmware by Qualcomm

Immersive Home 214 Platform Firmware by Qualcomm

Immersive Home 216 Platform Firmware by Qualcomm

Immersive Home 316 Platform Firmware by Qualcomm

Immersive Home 318 Platform Firmware by Qualcomm

Immersive Home 3210 Platform Firmware by Qualcomm

Immersive Home 326 Platform Firmware by Qualcomm

Ipq5010 Firmware by Qualcomm

Ipq5028 Firmware by Qualcomm

Ipq5300 Firmware by Qualcomm

Ipq5302 Firmware by Qualcomm

Ipq5312 Firmware by Qualcomm

Ipq5332 Firmware by Qualcomm

Ipq6000 Firmware by Qualcomm

Ipq6010 Firmware by Qualcomm

Ipq6018 Firmware by Qualcomm

Ipq6028 Firmware by Qualcomm

Ipq8070a Firmware by Qualcomm

Ipq8071a Firmware by Qualcomm

Ipq8072a Firmware by Qualcomm

Ipq8074a Firmware by Qualcomm

Ipq8076 Firmware by Qualcomm

Ipq8076a Firmware by Qualcomm

Ipq8078 Firmware by Qualcomm

Ipq8078a Firmware by Qualcomm

Ipq8173 Firmware by Qualcomm

Ipq8174 Firmware by Qualcomm

Ipq9008 Firmware by Qualcomm

Ipq9048 Firmware by Qualcomm

Ipq9554 Firmware by Qualcomm

Ipq9570 Firmware by Qualcomm

Ipq9574 Firmware by Qualcomm

Mdm9628 Firmware by Qualcomm

Qam8255p Firmware by Qualcomm

Qam8295p Firmware by Qualcomm

Qam8650p Firmware by Qualcomm

Qam8775p Firmware by Qualcomm

Qamsrv1h Firmware by Qualcomm

Qamsrv1m Firmware by Qualcomm

Qca0000 Firmware by Qualcomm

Qca2066 Firmware by Qualcomm

Qca4024 Firmware by Qualcomm

Qca6174a Firmware by Qualcomm

Qca6391 Firmware by Qualcomm

Qca6564a Firmware by Qualcomm

Qca6564au 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

Qca8072 Firmware by Qualcomm

Qca8075 Firmware by Qualcomm

Qca8081 Firmware by Qualcomm

Qca8082 Firmware by Qualcomm

Qca8084 Firmware by Qualcomm

Qca8085 Firmware by Qualcomm