The com.softphone.common package in the Grandstream Wave app 1.0.1.26 and earlier for Android does not properly validate SSL certificates, which allows man-in-the-middle attackers to spoof the Grandstream provisioning server via a crafted certificate.
Conclusion & alert: CVE-2016-1519 is rated Low Risk (38.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.23%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 0.26% | 0.23% | -0.03% |
| 2 | 2025-03-29 | 0.23% | 0.26% | +0.03% |
| 3 | 2025-03-17 | — | 0.23% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.9 | 3.0 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [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/136290/Grandstream-Wave-1.0.1.26-TLS-Man-In-The-Middle.html | Third Party Advisory VDB Entry |
| http://www.securityfocus.com/archive/1/537819/100/0/threaded | |
| https://rt-solutions.de/wp-content/uploads/2016/04/CVE-2016-1519-gswave-tls-mitm.pdf | Third Party Advisory |