Authentication Bypass in SafeLine SL6 and SL6+ Elevator Emergency Intercom Systems
CVE-2025-4994

8.7HIGH

Key Information:

Vendor

Safeline

Status
Safeline Sl6/sl6+
Vendor
CVE Published:
22 June 2026

What is CVE-2025-4994?

The SafeLine SL6 and SL6+ devices are susceptible to an authentication bypass vulnerability, enabling attackers to circumvent authentication protocols. This issue affects the Bluetooth Low Energy (BLE) interface, allowing unauthorized personnel within wireless range to access the device's configuration services. Successfully exploiting this flaw can lead to unauthorized administrative control over the emergency intercom settings, potentially compromising security and operational integrity.

Affected Version(s)

SafeLine SL6/SL6+ 4.82 < 4.97

References

https://www.schutzwerk.com/en/blog/schutzwerk-sa-2025-001/

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

The vulnerability was discovered by Jan HĂĽber of SCHUTZWERK GmbH.
.