CVE-2025-54756: high-severity vulnerability in BrightSign OS series 4 players
BrightSign Players Use of Default Credentials
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 0.1%
BrightSign players running BrightSign OS series 4 prior to v8.5.53.1 or
series 5 prior to v9.0.166 use a default password that is guessable with
knowledge of the device information. The latest release fixes this
issue for new installations; users of old installations are encouraged
to change all default passwords.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
BrightSign · BrightSign OS series 4 playersBrightSign · BrightSign OS series 5 playersRelated CVEs — BrightSign OS series 4 players
In the same product, most dangerous first.