CVE-2017-17739 describes a critical directory traversal vulnerability affecting BrightSign Digital Signage 4k242 devices running firmware 6.2.63 and below. This flaw, located in the /storage.html rp parameter, allows an unauthenticated attacker to read or write arbitrary files on the device. With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, an ExploitDB entry (EDB-43364) confirms the existence of public exploit code, despite a lack of broader community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 6.2.63CPE matchmatch criteria | cpe:2.3:o:brightsign:4k242_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.