CVE-2024-50696

HIGH

SunGrow WiNet-S Firmware < 200.001.00.P025 - Unauthenticated Firmware Update via MQTT Message

Title source: llm

Description

SunGrow WiNet-S V200.001.00.P025 and earlier versions is missing integrity checks for firmware upgrades. Sending a specific MQTT message allows an update to an inverter or a WiNet connectivity dongle with a bogus firmware file that is located on attacker-controlled server.

References (1)

Core 1

Core References

Vendor Advisory

https://en.sungrowpower.com/security-notice-detail-2/6140

Scores

CVSS v3 7.5

EPSS 0.0021

EPSS Percentile 10.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-494

Status published

Products (1)

sungrowpower/winet-s_firmware < 200.001.00.P025

Published Feb 26, 2025

Tracked Since Feb 18, 2026