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VulnerabilityPublished

CVE-2026-35089: Slican IPx · Use of Weak Credentials

Affects Slican IPxSource CVE Database V5

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Not known to be exploited · CVSS 8.7 High : upgrade to 6.61.0040 soon.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 6.61.0040, 6.56.0430, 6.30.0510
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade IPx to 6.61.0040; CCT-1668 and MAC-6400 to 6.56.0430; CXS-0424 to 6.30.0510.

Affected software

ProductAffectedFixed in
SlicanIPxAffected
  • <6.61.0040
Fixed in
  • 6.61.0040
SlicanCCT-1668Affected
  • <6.56.0430
Fixed in
  • 6.56.0430
SlicanMAC-6400Affected
  • <6.56.0430
Fixed in
  • 6.56.0430
SlicanCXS-0424Affected
  • <6.30.0510
Fixed in
  • 6.30.0510

AI-suggested

Fixes are available in the specified updated versions of the affected products. Users should upgrade to these fixed versions to remediate the vulnerability. For end-of-life devices that cannot be updated due to hardware discontinuation, the vendor recommends contacting their service department to explore upgrade options. Patch status is not explicitly stated but implied by version fixes; users should verify with the vendor for current remediation guidance.

Description

In Slican telephone exchanges secure key is generated in a predictable manner using properties of the telephone exchange which can be obtained without authentication. An unauthenticated attacker can deduce the secure key and obtain admin credentials. This issue was fixed in versions below: - 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.

References

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