CVE-2026-35088 Details
Description
Slican telephone exchanges use symmetric encryption for TCP/IP communication. Secret key is hardcoded in multiple binary files. An attacker who has access to these files can decrypt the communication. This issue was fixed in IPx series version 6.62.0100. The issue STILL EXISTS in End-Of-Life telephone exchanges: - 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.
A vulnerability exists in Slican telephone exchanges that use symmetric encryption for TCP/IP communication. The secret encryption key is hardcoded in multiple binary files. An attacker with access to these files can decrypt the communication. This issue was addressed in the IPx series version 6.62.0100, but persists in the End-Of-Life products CCT-1668 (CCT1CPU), MAC-6400, and CXS-0424, which were discontinued in 2011 and 2012 and require a hardware update for a software upgrade. The vendor advises users to contact their service department for upgrade options.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 15, 2026CISA-ADP
Assessed Oct 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://cert.pl/posts/2026/10/CVE-2026-35088 | [email protected] | AdvisoryBundleRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-326 | Inadequate Encryption Strength | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Slican IPx | < 6.62.0100 (semver) |
CPE
Remediation
| |
| Slican CCT-1668 | All versions |
CPE
Remediation
| |
| Slican MAC-6400 | All versions |
CPE
Remediation
| |
| Slican CXS-0424 | All versions |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 15, 2026 | CVE Modified | CISA-ADP |
| Oct 15, 2026 | New CVE Received | [email protected] |