CVE-2026-35088

Inadequate Encryption Strength in Slican telephone exchanges

HIGH
8.2
CVSS Score
Published: October 15, 2026 at 09:00 AM UTC
Updated: October 16, 2026 at 08:04 PM UTC
4 products affected across 1 vendorIPxCCT-1668MAC-6400

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Severity
HIGH8.2
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
All versions
All versions
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: cverecord
https://cert.pl/posts/2026/10/CVE-2026-35088

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHCERT-PL
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-326

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