CVE-2025-11775

N/A Unknown

📋 TL;DR

An out-of-bounds read vulnerability in the asComSvc service on ASUS motherboards can be exploited via specially crafted requests, potentially causing service crashes or partial loss of functionality. This affects users of ASUS motherboard series products, requiring local or network access to the service.

💻 Affected Systems

Products:
  • ASUS motherboard series products
Versions: Specific versions not detailed; refer to ASUS Security Advisory for affected models and firmware.
Operating Systems: Windows, possibly others depending on ASUS software compatibility
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability is tied to the asComSvc service in Armoury Crate or related ASUS software; check ASUS advisory for exact configurations.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Service crash leading to denial of service, disrupting system functionality or stability on affected ASUS motherboards.

🟠

Likely Case

Partial loss of functionality in the asComSvc service, potentially affecting related features like hardware monitoring or control.

🟢

If Mitigated

Minimal impact if the service is isolated or patched, with no data exposure or remote code execution.

🌐 Internet-Facing: LOW, as exploitation typically requires access to the local network or system where the service runs, not directly internet-exposed.
🏢 Internal Only: MEDIUM, as internal attackers or malware could exploit it to disrupt services on vulnerable ASUS systems.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires crafting specific requests to the asComSvc service; no public exploits known, but could be developed based on CWE-125 patterns.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Refer to ASUS Security Advisory for specific update versions in the 'Security Update for Armoury Crate App' section.

Vendor Advisory: https://www.asus.com/security-advisory

Restart Required: Yes

Instructions:

1. Visit the ASUS Security Advisory URL. 2. Locate the 'Security Update for Armoury Crate App' section. 3. Download and install the recommended update for your ASUS motherboard model. 4. Restart the system to apply changes.

🔧 Temporary Workarounds

Disable asComSvc Service

windows

Stop and disable the asComSvc service to prevent exploitation, but this may affect ASUS software functionality.

sc stop asComSvc
sc config asComSvc start= disabled

Restrict Network Access

windows

Use firewall rules to block inbound connections to the asComSvc service port, limiting attack surface.

netsh advfirewall firewall add rule name="Block asComSvc" dir=in action=block protocol=TCP localport=<port_number>

🧯 If You Can't Patch

  • Isolate affected systems from untrusted networks to reduce exploitation risk.
  • Monitor system logs for unusual service crashes or requests to asComSvc.

🔍 How to Verify

Check if Vulnerable:

Check if asComSvc service is running and ASUS software version matches affected models listed in the ASUS advisory.

Check Version:

Check ASUS software or firmware version via system settings or command: wmic product get name,version on Windows.

Verify Fix Applied:

Verify the ASUS software version has been updated to the patched version specified in the advisory and that asComSvc runs without crashes.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected crashes or errors in asComSvc service logs
  • Unusual network requests to the service port

Network Indicators:

  • Anomalous traffic patterns to the asComSvc service port, especially crafted packets

SIEM Query:

EventID: 7034 (Service crashed) for asComSvc OR network traffic to port associated with asComSvc with suspicious payloads

🔗 References

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