Critical severity9.9NVD Advisory· Published Aug 23, 2018· Updated Jun 17, 2026
CVE-2018-3903
CVE-2018-3903
Description
On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process incorrectly extracts fields from a user-controlled JSON payload, leading to a buffer overflow on the stack. An attacker can send an HTTP request to trigger this vulnerability. The memcpy call overflows the destination buffer, which has a size of 512 bytes. An attacker can send an arbitrarily long "url" value in order to overwrite the saved-PC with 0x42424242.
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Affected products
3- Talos/Samsungv5Range: Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17
- Range: =0.20.17
- cpe:2.3:o:samsung:sth-eth-250_firmware:0.20.17:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
1- www.talosintelligence.com/vulnerability_reports/TALOS-2018-0574nvdExploitThird Party Advisory
News mentions
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