CVE-2017-8862 describes a critical vulnerability in the Cohu 3960HD's webupgrade function, affecting both the device and its firmware. An attacker can exploit this flaw by uploading a malicious postinstall.sh file, which is then executed with root privileges due to a lack of proper file verification. This vulnerability carries a CVSS score of 9.8 (Critical), indicating a network-exploitable flaw with low attack complexity, requiring no user interaction, and leading to complete compromise of confidentiality, integrity, and availability. While the EPSS score is low, suggesting limited current exploitation probability, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it has not been added to CISA's KEV catalog, nor is there any significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:cohuhd:3960hd_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.