#VU105739 Stack-based buffer overflow in WiNet Firmware - CVE-2024-50695

Vulnerability identifier: #VU105739

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-50695

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WiNet Firmware
Hardware solutions / Firmware

Vendor: Sungrow

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when parsing MQTT messages. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WiNet Firmware: 200.001.00.P027

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External links
https://www.cisa.gov/news-events/ics-advisories/icsa-25-072-12
https://en.sungrowpower.com/security-notice-detail-2/6130

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.