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CVE-2025-4994— Authentication Bypass for SafeLine SL6 and SL6+

Quick assessment

Affected
SafeLine SafeLine SL6/SL6+
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.

SafeLine SafeLine SL6是SafeLine公司的一款电梯紧急电话系统，支持4G VoLTE网络，可连接多达6个语音站点，适用于机房或井道安装。 SafeLine SL6 4.82版本至4.97之前版本存在授权问题漏洞，该漏洞源于存在认证绕过漏洞，允许攻击者通过蓝牙低功耗（BLE）接口绕过认证要求访问设备配置服务，从而在无线范围内获得对设备配置的未授权管理访问权限。

AI Predicted 7.8 Difficulty: Easy EPSS 0.33% · P26

Affected Version Matrix 1

VendorProduct Version RangeStatus
SafeLine SafeLine SL6/SL6+ 4.82< 4.97 affected
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I. Basic Information for CVE-2025-4994

Vulnerability Information
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Vulnerability Title
Authentication Bypass for SafeLine SL6 and SL6+
Source: CVE Program / CVE List V5
Vulnerability Description
The SafeLine SL6 and SL6+ devices integrated into elevator emergency intercom systems are vulnerable to an authentication bypass. This vulnerability allows attackers to bypass authentication requirements and access the device's configuration service via the Bluetooth Low Energy (BLE) interface. Consequently, an attacker within wireless range can gain unauthorized administrative access to the device configuration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用基本弱点进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
SafeLine SL6 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SafeLine SafeLine SL6是SafeLine公司的一款电梯紧急电话系统，支持4G VoLTE网络，可连接多达6个语音站点，适用于机房或井道安装。 SafeLine SL6 4.82版本至4.97之前版本存在授权问题漏洞，该漏洞源于存在认证绕过漏洞，允许攻击者通过蓝牙低功耗（BLE）接口绕过认证要求访问设备配置服务，从而在无线范围内获得对设备配置的未授权管理访问权限。
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
SafeLine SafeLine SL6/SL6+ 4.82 ~ 4.97 -

II. Public POCs for CVE-2025-4994

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III. Intelligence Information for CVE-2025-4994

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Security Blog Posts for CVE-2025-4994 (1)

IV. Related Vulnerabilities

Same weakness: CWE-305