CVE-2017-8862

CRITICAL

Cohuhd 3960hd Firmware - Unrestricted File Upload

Title source: rule
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://bneg.io/2017/05/12/vulnerabilities-in-cohu-3960hd/

Scores

CVSS v3 9.8
EPSS 0.0034
EPSS Percentile 56.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-434
Status published
Products (1)
cohuhd/3960hd_firmware
Published Nov 22, 2017
Tracked Since Feb 18, 2026