What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-22 · updated 2026-10-06
• Weakness: CWE-305

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.

Affected products

• SafeLine SL6/SL6+: from 4.82 before 4.97 — fixed in 4.97

How to fix

Upgrade to a fixed version: SafeLine SL6/SL6+ 4.97. Check the vendor advisory for mitigations.

References

• https://www.schutzwerk.com/en/blog/schutzwerk-sa-2025-001/
• http://seclists.org/fulldisclosure/2026/Jul/17

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