CVE-2025-3925— BrightSign Players Execution with Unnecessary Privileges
Quick assessment
Affected
BrightSign BrightSign OS series 4 players
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
BrightSign Players是BrightSign公司的一系列专业级数字标牌播放器硬件，搭载BrightSign OS，支持4K超高清内容播放与交互控制。 BrightSign Players v8.5.53.1之前版本和v9.0.166之前版本存在安全漏洞，该漏洞源于执行时拥有不必要的权限，可能导致设备权限提升。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-3925
Vulnerability Information
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Vulnerability Title
BrightSign Players Execution with Unnecessary Privileges
Source: CVE Program / CVE List V5
Vulnerability Description
BrightSign players running BrightSign OS series 4 prior to v8.5.53.1 or
series 5 prior to v9.0.166 contain an execution with unnecessary
privileges vulnerability, allowing for privilege escalation on the
device once code execution has been obtained.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
带着不必要的权限执行
Source: CVE Program / CVE List V5
Vulnerability Title
BrightSign Players 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BrightSign Players是BrightSign公司的一系列专业级数字标牌播放器硬件，搭载BrightSign OS，支持4K超高清内容播放与交互控制。 BrightSign Players v8.5.53.1之前版本和v9.0.166之前版本存在安全漏洞，该漏洞源于执行时拥有不必要的权限，可能导致设备权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| BrightSign | BrightSign OS series 4 players | 0 ~ v8.5.53.1 | - |
|
| BrightSign | BrightSign OS series 5 players | 0 ~ v9.0.166 | - |
|
II. Public POCs for CVE-2025-3925
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2025-3925
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