In SunGrow WiNet-SV200.001.00.P027 and earlier versions, when decrypting MQTT messages, the code that parses specific TLV fields does not have sufficient bounds checks. This may result in a stack-based buffer overflow.
Conclusion & alert: CVE-2024-50697 is rated Moderate Risk (52.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.37%). 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 | 2026-05-21 | 0.48% | 0.37% | -0.11% |
| 2 | 2026-04-29 | 0.44% | 0.48% | +0.04% |
| 3 | 2026-03-05 | — | 0.44% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sungrowpower | winet-s_firmware | < 200.001.00.p027 | cpe:2.3:o:sungrowpower:winet-s_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://en.sungrowpower.com/security-notice-detail-2/5961 | Vendor Advisory |