Buffer overflow in Samsung SmartThings Hub STH-ETH-250
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
An exploitable buffer overflow vulnerabilities exist in the /cameras/XXXX/clips handler of video-core's HTTP server of Samsung SmartThings Hub 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. The strncpy call overflows the destination buffer, which has a size of 52 bytes. An attacker can send an arbitrarily long "correlationId" value in order to exploit this vulnerability.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Samsung | SmartThings Hub STH-ETH-250 | Firmware version 0.20.17 | — | No fix listed | CNA |
- SmartThings Hub STH-ETH-250 VendorSamsung Affected Firmware version 0.20.17 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3896
- 2026-10-03 Alias added: GHSA-cqv5-c932-gfp5
References
More Samsung Sth-eth-250 Firmware vulnerabilities
- TI-2018-02826 An exploitable vulnerability exists in the smart cameras RTSP configuration of the… CVSS 3.1CRITICAL 9.9
- TI-2018-02875 An exploitable vulnerability exists in the REST parser of video-core's HTTP server of the… CVSS 3.1CRITICAL 10.0
- TI-2018-02872 Out-of-bounds write in Samsung CVSS 3.1CRITICAL 9.9
- TI-2018-02871 Out-of-bounds write in Talos Samsung CVSS 3.1CRITICAL 9.9
- TI-2018-02870 Out-of-bounds write in Samsung SmartThings Hub STH-ETH-250 CVSS 3.1CRITICAL 9.9
- TI-2018-02847 Memory corruption in Samsung SmartThings Hub STH-ETH-250 CVSS 3.1CRITICAL 9.9
Sources
- CVE-2018-3896 · CVE Program
- CVE-2018-3896 · NVD
- FIRST EPSS
- GHSA-cqv5-c932-gfp5 · GitHub Advisory Database · CC BY 4.0
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