CVE-2025-54609 – This CVE describes an out-of-bounds access vuln... (How to Fix)

Q: What is the severity of CVE-2025-54609?

CVE-2025-54609 has a CVSS score of 5.4 (MEDIUM). This CVE describes an out-of-bounds access vulnerability in an audio codec module that could allow attackers to cause denial of service conditions. The vulnerability primarily affects availability of affected systems. Huawei consumers with vulnerable audio codec implementations are likely affected.

📋 TL;DR

This CVE describes an out-of-bounds access vulnerability in an audio codec module that could allow attackers to cause denial of service conditions. The vulnerability primarily affects availability of affected systems. Huawei consumers with vulnerable audio codec implementations are likely affected.

💻 Affected Systems

Products:

Huawei devices with vulnerable audio codec implementations

Versions: Specific versions not detailed in provided reference; check Huawei advisory

Operating Systems: Android-based Huawei systems, HarmonyOS systems

Default Config Vulnerable: ⚠️ Yes

Notes: Vulnerability exists in default audio processing configurations; specific affected models would be detailed in Huawei's full advisory

📦 What is this software?

Harmonyos by Huawei

View all CVEs affecting Harmonyos →

Harmonyos by Huawei

View all CVEs affecting Harmonyos →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system crash or persistent denial of service requiring reboot or system restoration

🟠

Likely Case

Application crashes, audio processing failures, or temporary service disruption

🟢

If Mitigated

Minor performance degradation or isolated audio processing issues

🌐 Internet-Facing: LOW - Audio codec vulnerabilities typically require local access or specific triggering conditions

🏢 Internal Only: MEDIUM - Could be exploited by malicious insiders or through compromised internal systems

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Out-of-bounds access vulnerabilities typically require specific malformed audio input and may need local system access

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Huawei security bulletin for specific patched versions

Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/8/

Restart Required: No

Instructions:

1. Check Huawei security advisory for affected devices 2. Apply latest security updates via device settings 3. Verify update completion through system information

🔧 Temporary Workarounds

Disable vulnerable audio processing

all

Temporarily disable or restrict audio codec functionality if not essential

🧯 If You Can't Patch

Implement network segmentation to isolate affected devices
Monitor for abnormal audio processing behavior or system crashes

🔍 How to Verify

Check if Vulnerable:

Check device model and software version against Huawei's security advisory

Check Version:

Settings > About Phone > Software Information (on Huawei devices)

Verify Fix Applied:

Verify software version matches or exceeds patched version in Huawei advisory

📡 Detection & Monitoring

Log Indicators:

Audio service crashes
Kernel panic logs related to audio drivers
Abnormal audio process termination

Network Indicators:

Unusual audio streaming patterns if network-accessible

SIEM Query:

source="system_logs" AND ("audio" AND ("crash" OR "panic" OR "segfault"))

📊 Metadata

CVE ID: CVE-2025-54609

CVSS v3 Score: 5.4 (MEDIUM)

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

CWE: CWE-125

EPSS Score: 0.02% exploit probability (3.4th percentile)

Published: August 6, 2025

Last Updated: August 12, 2025

🔗 References

https://consumer.huawei.com/en/support/bulletin/2025/8/ Vendor Advisory

📤 Share & Export

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🔗 Related Vulnerabilities

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