CVE-2025-27797
📋 TL;DR
This CVE describes an OS command injection vulnerability in Wi-Fi AP UNIT 'AC-WPS-11ac series' devices. Remote attackers who can authenticate to the device can execute arbitrary operating system commands with system privileges. This affects all organizations using these specific wireless access point units.
💻 Affected Systems
- Wi-Fi AP UNIT AC-WPS-11ac series
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full device compromise allowing attacker to install persistent backdoors, pivot to internal networks, steal credentials, or use the device for further attacks.
Likely Case
Attacker gains shell access to the device, modifies configurations, intercepts network traffic, or uses the device as a foothold for lateral movement.
If Mitigated
Limited impact due to network segmentation, strong authentication controls, and monitoring preventing successful exploitation.
🎯 Exploit Status
Exploitation requires valid credentials but command injection vulnerabilities are typically straightforward to exploit once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched firmware version
Vendor Advisory: https://www.inaba.co.jp/abaniact/news/security_20250404.pdf
Restart Required: Yes
Instructions:
1. Download latest firmware from vendor website. 2. Backup current configuration. 3. Upload and apply firmware update via web interface. 4. Reboot device. 5. Verify firmware version.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected devices in separate VLANs with strict firewall rules
Strong Authentication
allEnforce complex passwords, disable default credentials, implement MFA if supported
🧯 If You Can't Patch
- Remove internet-facing exposure by placing behind VPN or firewall
- Implement strict network monitoring and alerting for suspicious access patterns
🔍 How to Verify
Check if Vulnerable:
Check device firmware version via web interface or SSH against vendor advisoryCheck Version:
Check via web interface: System > Firmware Information or via SSH if enabledVerify Fix Applied:
Confirm firmware version matches patched version in vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unusual authentication attempts
- Unexpected configuration changes
- Suspicious command execution in system logs
Network Indicators:
- Unusual outbound connections from AP
- Traffic patterns inconsistent with normal AP behavior
SIEM Query:
source="ap-logs" AND (event="configuration_change" OR event="command_execution")