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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-35087

Authentication Bypass in Slican telephone exchanges

Description

Slican telephone exchanges allow administrative protocol authentication bypass. An attacker can bypass the need to enter login credentials by executing the appropriate command. This issue was fixed in versions below: - NCP: version 1.24.0250 - IPx series: version 6.61.0040 - CCT-1668: version 6.56.0430 - MAC-6400: version 6.56.0430 - CXS-0424: version 6.30.0510 The issue STILL EXISTS in End-Of-Life telephone exchanges in versions 4.xx and below: - CCT-1668 (CCT1CPU) - MAC-6400 - CXS-0424 These products were discontinued in 2011 and 2012 and and will not receive updates. These products require a hardware update in order to receive a software update. The vendor recommends that users of these devices contact the their service department directly to determine the options for upgrading.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Slican IPx

Default version status: unaffected

  • 0 to < 6.61.0040affected

Slican CCT-1668

Default version status: unaffected

  • 0 to < 6.56.0430affected

Slican MAC-6400

Default version status: unaffected

  • 0 to < 6.56.0430affected

Slican CXS-0424

Default version status: unaffected

  • 0 to < 6.30.0510affected

Slican NCP

Default version status: unaffected

  • 0 to < 1.24.0250affected

References