CVE-2026-35090
Unauthenticated admin bypass on Slican telephony via caller ID.
Is CVE-2026-35090 being exploited?
Not confirmed. CVE-2026-35090 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.63% probability of exploitation in the next 30 days.
How severe is CVE-2026-35090?
CVE-2026-35090 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-35090?
Yes. A fix has been recorded for CVE-2026-35090. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-35090 affect?
CVE-2026-35090 affects Slican IPL-256, Slican IPM-032, Slican CCT-1668 (CCT1CPU), Slican MAC-6400, and 4 further products or versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-35090?
Upgrade to fixed firmware versions or replace EOL devices.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated access to admin/config panel; full control of service protocol and settings.
Immediate action required
- affected< 6.56.0430
- affected< 6.30.0510
- affected< 6.61.0040
- affected< 6.61.0040
- affected< 6.56.0430
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.