CVE-2024-50696: winet-s — Fix

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-494 CWE-494

Affected Products

Vendor	Product	Versions
sungrowpower	winet-s_firmware	< 200.001.00.P025
sungrowpower	winet-s	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2024-50696? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-50696? +

CVE-2024-50696 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-50696? +

CVE-2024-50696 affects products from sungrowpower, specifically: winet-s, winet-s_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-50696? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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