CVE-2025-53173 – A stack overflow vulnerability exists in Huawei... (How to Fix)

Q: What is the severity of CVE-2025-53173?

CVE-2025-53173 has a CVSS score of 5.3 (MEDIUM). A stack overflow vulnerability exists in Huawei's file preview function when parsing vector images. This could allow attackers to crash the preview service or potentially execute arbitrary code. Users of affected Huawei products with file preview functionality are at risk.

📋 TL;DR

A stack overflow vulnerability exists in Huawei's file preview function when parsing vector images. This could allow attackers to crash the preview service or potentially execute arbitrary code. Users of affected Huawei products with file preview functionality are at risk.

💻 Affected Systems

Products:

Huawei products with file preview functionality

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

Operating Systems: Multiple - depends on affected Huawei products

Default Config Vulnerable: ⚠️ Yes

Notes: Vulnerability affects the file preview parsing component across potentially multiple Huawei products

📦 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

Remote code execution leading to complete system compromise or service disruption

🟠

Likely Case

Denial of service through application crash when malicious vector images are previewed

🟢

If Mitigated

Limited impact with proper input validation and memory protections in place

🌐 Internet-Facing: MEDIUM - Requires user interaction to preview malicious files, but could be combined with social engineering

🏢 Internal Only: MEDIUM - Similar risk profile internally, though attack surface may be smaller

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation requires user to preview a malicious vector image file; no public exploit details available

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Huawei security bulletin for specific patched versions

Vendor Advisory: https://consumer.huawei.com/en/support/bulletin/2025/7/

Restart Required: Yes

Instructions:

1. Review Huawei security bulletin for affected products. 2. Apply recommended security updates. 3. Restart affected services or devices.

🔧 Temporary Workarounds

Disable vector image preview

all

Temporarily disable preview functionality for vector image formats

Product-specific configuration required

Restrict file uploads

all

Block or quarantine vector image file uploads

Configure file upload filters to block .svg, .ai, .eps, .pdf files

🧯 If You Can't Patch

Implement strict file upload validation and sanitization
Use application firewalls to detect and block malicious vector image payloads

🔍 How to Verify

Check if Vulnerable:

Check Huawei product version against security bulletin; test with safe vector image preview

Check Version:

Product-specific version check commands (varies by Huawei product)

Verify Fix Applied:

Verify installed version matches patched version from Huawei advisory

📡 Detection & Monitoring

Log Indicators:

Application crashes during file preview
Memory access violations in preview service logs
Large or malformed vector image file processing

Network Indicators:

Unusual file upload patterns for vector images
Multiple preview service restarts

SIEM Query:

source="huawei_preview" AND (event="crash" OR event="memory_violation")

📊 Metadata

CVE ID: CVE-2025-53173

CVSS v3 Score: 5.3 (MEDIUM)

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

CWE: CWE-121

EPSS Score: 0.03% exploit probability (9.3th percentile)

Published: July 7, 2025

Last Updated: July 14, 2025

🔗 References

https://consumer.huawei.com/en/support/bulletin/2025/7/ Vendor Advisory

📤 Share & Export

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🔗 Related Vulnerabilities

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