{"id":"CVE-2026-35088","title":"Slican telephone exchanges use symmetric encryption for TCP/IP communication","summary":"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.\n\nThis issue was fixed in IPx series …","severity":"high","cvss":8.2,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N","cwe":["CWE-326"],"vendor":"Slican","product":"IPx","affected":["IPx < 6.62.0100","CCT-1668 <= 6.56.0430","MAC-6400 <= 6.56.0430","CXS-0424 <= 6.30.0510"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T14:17:24.853","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-35088","references":[{"url":"https://cert.pl/posts/2026/10/CVE-2026-35088","label":"cvd@cert.pl"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T13:47:59.175355Z"},"cvssSource":"cna","ingestedAt":"2026-10-15T09:59:33.278Z","slug":"CVE-2026-35088","body":"## Overview\n\nSlican 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.\n\nThis issue was fixed in IPx series version 6.62.0100.\n\nThe issue STILL EXISTS in End-Of-Life telephone exchanges:\n- CCT-1668 (CCT1CPU)\n- MAC-6400\n- CXS-0424\nThese 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}