What’s Vulnerable › Vulnerabilities

CVE-2017-8862

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-22 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• Cohuhd 3960Hd Firmware: all versions

References

• https://bneg.io/2017/05/12/vulnerabilities-in-cohu-3960hd/
• https://bneg.io/2017/05/12/vulnerabilities-in-cohu-3960hd/

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