CVE-2025-68644
📋 TL;DR
Yealink RPS (Remote Provisioning Service) before June 27, 2025 allows unauthorized access to sensitive information including AutoP URL addresses due to insufficient authentication. This affects organizations using Yealink RPS cloud instances for device management. Attackers can access configuration data without proper credentials.
💻 Affected Systems
- Yealink Remote Provisioning Service (RPS)
⚠️ 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
Attackers gain full access to device provisioning configurations, potentially redirecting devices to malicious servers or extracting sensitive deployment information.
Likely Case
Unauthorized access to AutoP URLs and configuration data, enabling reconnaissance for further attacks or device manipulation.
If Mitigated
Limited exposure if proper network segmentation and access controls are implemented alongside the security update.
🎯 Exploit Status
Vulnerability involves authentication bypass, making exploitation straightforward once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Security update deployed to cloud instances on 2025-06-27
Vendor Advisory: https://www.yealink.com/en/trust-center/security-bulletins/yealink-unauthorized-access-to-rps-vulnerability
Restart Required: No
Instructions:
1. Verify your RPS instance has received the automatic security update. 2. Check the Yealink security bulletin for confirmation. 3. No manual patching required for cloud instances.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to Yealink RPS instances to trusted IP addresses only.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate RPS instances from untrusted networks.
- Monitor access logs for unauthorized authentication attempts and unusual data access patterns.
🔍 How to Verify
Check if Vulnerable:
Check if your RPS instance was updated after June 27, 2025. Review Yealink's security verification report.Check Version:
Contact Yealink support or check the RPS admin interface for update status.Verify Fix Applied:
Confirm with Yealink support that your cloud instance received the enhanced authentication mechanism update.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to RPS endpoints
- Unusual requests for AutoP URLs or configuration data
Network Indicators:
- Unexpected traffic to RPS instances from untrusted sources
- Patterns of unauthenticated API calls
SIEM Query:
source="yealink-rps" AND (status="401" OR status="403") | stats count by src_ip