SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-17738

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

EXPLOITHIGH 7.5EPSS 5.76%

Does this matter?

A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 5.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

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

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
5.76% probability · 93th percentile
Public exploits
1 in Exploit-DB · first 19 December 2017
CISA KEV
Not listed
Affected
brightsign/4k242 firmware
Source
cve@mitre.org
EPSS trend
0%5%10%27 October 2026: 5.76%27 October 202627 October 2026

EPSS 5.8% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-43364source ↗BrightSign Digital Signage - Multiple Vulnerablitieshardware · Information Paradoxwebapps19 December 2017no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.