Medium severity5.4NVD Advisory· Published Jan 23, 2024· Updated Jun 17, 2026

CVE-2023-42143

Description

Missing Integrity Check in Shelly TRV 20220811-152343/v2.1.8@5afc928c allows malicious users to create a backdoor by redirecting the device to an attacker-controlled machine which serves the manipulated firmware file. The device is updated with the manipulated firmware.

Affected products

Shelly/Trv Firmware
cpe:2.3:o:shelly:trv_firmware:2.1.8:*:*:*:*:*:*:*
Shelly/TRVdescription
Shelly/TRVllm-fuzzy
Range: 20220811-152343/v2.1.8@5afc928c

Patches

Vulnerability mechanics

References

www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219nvdThird Party Advisory

News mentions

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cvss	0.351
epss	0.000
exploit	0.000
kev	0.000
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ransomware	0.000