CVE-2018-3877
9.9 · CRITICALOverview
CVE-2018-3877 is a critical-severity vulnerability affecting samsung sth-eth-250_firmware. It was published on September 21, 2018 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from samsung. Update sth-eth-250_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2018-3877?
CVE-2018-3877 is a critical-severity vulnerability affecting samsung sth-eth-250_firmware. It was published on September 21, 2018 and has a CVSS 3.1 base score of 9.9 (CRITICAL).
How severe is CVE-2018-3877?
This vulnerability has a CVSS 3.1 base score of 9.9, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2018-3877?
Check the references section for vendor advisories and patches from samsung. Update sth-eth-250_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-3877?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-3877 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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