CVE-2026-35088: high-severity vulnerability in Slican IPx
Inadequate Encryption Strength in Slican telephone exchanges
Published
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.2epss 0.1%
exploitation probability
0.1%top 98% of all CVEs
observed exploitation
nono source reports it
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.
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
Related CVEs — Slican IPx
In the same product, most dangerous first.
CVE-2026-35090CRITICALAuthentication Bypass in Slican telephone exchangesEPSS 0.6%CVE-2026-35087CRITICALAuthentication Bypass in Slican telephone exchangesEPSS 0.6%CVE-2026-35089HIGHUse of Weak Credentials in Slican telephone exchangesEPSS 0.6%CVE-2026-63315HIGHPlaintext storage of a password in WebCTIEPSS 0.3%CVE-2026-63314HIGHSQL Injection in WebCTIEPSS 0.2%