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TI-2018-02846 Aliases CVE-2018-3877GHSA-g89f-v8gf-6v8f

Memory corruption in Samsung SmartThings Hub STH-ETH-250

Priority MEDIUM 46CWE-119Published · Updated

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-119 and the CVSS impact.

Summary

An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17. The strncpy overflows the destination buffer, which has a size of 160 bytes. An attacker can send an arbitrarily long "directory" value in order to exploit this vulnerability.

Why it matters now

EPSS 0.01804 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SamsungSmartThings Hub STH-ETH-250Firmware version 0.20.17—No fix listedCNA
  • SmartThings Hub STH-ETH-250 VendorSamsung Affected Firmware version 0.20.17 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:samsung:sth-eth-250_firmware:0.20.17:*:*:*:*:*:*:*0.20.17VulnerableSamsung
cpe:2.3:h:samsung:sth-eth-250:-:*:*:*:*:*:*:*not specified by NVDRunning onSamsung
  • cpe:2.3:o:samsung:sth-eth-250_firmware:0.20.17:*:*:*:*:*:*:* Versions 0.20.17 Vulnerable ·Samsung
  • cpe:2.3:h:samsung:sth-eth-250:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-3877
  2. 2026-10-03 Alias added: GHSA-g89f-v8gf-6v8f

References

Exploit 1

  • 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
See all 39 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences