Firmware Update Vulnerability in SMA Solar Technology Inverters

CVE-2017-9860

What is CVE-2017-9860?

A vulnerability has been identified in SMA Solar Technology products where an attacker can exploit the Sunny Explorer or SMAdata2+ network protocol to perform firmware updates without any form of authentication. This could allow malicious actors to inject custom firmware into affected inverters, such as Sunny Boy TLST-21, TL-21, and Sunny Tripower TL-10 and TL-30. If successful, an attacker could gain full control of the inverter, potentially accessing the local operating system and leveraging the device for various malicious activities including botnet creation and network infiltration. Though the vendor claims this threat is mitigated by a final integrity and compatibility check, attention to this vulnerability remains crucial for ensuring device security.

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