CVE-2017-17738

HIGH

BrightSign Digital Signage <4k242 - Path Traversal

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-17738. PoCs published by Information Paradox.

AI-analyzed exploit summary The writeup describes multiple vulnerabilities in BrightSign Digital Signage (Firmware 6.2.63 and below), including XSS, directory traversal, and unauthenticated file upload/modification. These can be combined to compromise the device and end users.

Description

The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) allows renaming and modifying files via /tools.html.

Exploits (1)

exploitdb WRITEUP
by Information Paradox · textwebappshardware
https://www.exploit-db.com/exploits/43364

The writeup describes multiple vulnerabilities in BrightSign Digital Signage (Firmware 6.2.63 and below), including XSS, directory traversal, and unauthenticated file upload/modification. These can be combined to compromise the device and end users.

Classification
Writeup 90%
Attack Type
Xss | Info Leak | Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: BrightSign Digital Signage (Firmware 6.2.63 and below)
No auth needed
Prerequisites: Network access to the device · Web browser or tool to send HTTP requests
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43364/

Scores

CVSS v3 7.5
EPSS 0.0576
EPSS Percentile 92.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

Status published
Products (1)
brightsign/4k242_firmware < 6.2.63
Published Dec 18, 2017
Tracked Since Feb 18, 2026