The auto-provisioning mechanism in the Grandstream Wave app 1.0.1.26 and earlier for Android and Grandstream Video IP phones allows man-in-the-middle attackers to spoof provisioning data and consequently modify device functionality, obtain sensitive information from system logs, and have unspecified other impact by leveraging failure to use an HTTPS session for downloading configuration files from http://fm.grandstream.com/gs/.
Conclusion & alert: CVE-2016-1518 is rated Moderate Risk (57.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.85%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 1.16% | 0.85% | -0.31% |
| 2 | 2025-03-29 | 0.85% | 1.16% | +0.31% |
| 3 | 2025-03-17 | — | 0.85% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.0 | HIGH |
|
2.2 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| grandstream | wave | <= 1.0.1.26 | cpe:2.3:a:grandstream:wave:*:*:*:*:*:android:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/136280/Grandstream-Wave-1.0.1.26-Man-In-The-Middle.html | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/archive/1/537818/100/0/threaded | |
| https://rt-solutions.de/wp-content/uploads/2016/04/CVE-2016-1518-insecure-provisioning.pdf | Third Party Advisory |