VULNERABILITY INTELLIGENCE

CVE-2017-8862

CVSS score9.8 CRITICAL
EPSS probability1.48%
CISA KEVNot currently listed
Published2017-11-22
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The webupgrade function on the Cohu 3960HD does not verify the firmware upgrade files or process, allowing an attacker to upload a specially crafted postinstall.sh file that will be executed with "root" privileges.

Weakness classification

  • CWE-434: Unrestricted Upload of File with Dangerous Type

Primary references