CVE-2024-50697: Sungrowpower Winet-S Firmware

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Sungrowpower Winet-S Firmware: before 200.001.00.p027 (fixed in 200.001.00.p027)

Published 2025-01-24. Last modified 2026-06-17.