# Slican MAC-6400 vulnerabilities

Source: https://junglewise.ai/threats/technologies/mac-6400  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/mac-6400.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Slican MAC-6400: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-35088, was published on 15 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 1
- All time: 4 (0 critical, 0 exploited in the wild)

## About Slican MAC-6400

Firmware for the MAC-6400 series of private branch exchange (PBX) telephone systems.

## Latest Slican MAC-6400 vulnerabilities

- [CVE-2026-35088: Slican IPx telephone exchange hardcoded encryption key in binaries](https://junglewise.ai/threats/cve-2026-35088-slican-telephone-exchanges-use-symmetric-encryption-for-tcp-ip) (info, published 15 Oct 2026)
- [CVE-2026-35090: Slican telephone exchanges authentication bypass via specific caller ID](https://junglewise.ai/threats/cve-2026-35090-slican-telephone-exchanges-authentication-bypass-via-specific) (info, CVSS 9.3, published 27 May 2026)
- [CVE-2026-35089: Slican telephone exchanges predictable secure key generation](https://junglewise.ai/threats/cve-2026-35089-slican-telephone-exchanges-predictable-secure-key-generation) (info, CVSS 8.7, published 27 May 2026)
- [CVE-2026-35087: Slican Telephone Exchanges authentication bypass in administrative protocol](https://junglewise.ai/threats/cve-2026-35087-slican-telephone-exchanges-authentication-bypass-in) (info, CVSS 9.3, published 27 May 2026)

## Most severe Slican MAC-6400 vulnerabilities

- [CVE-2026-35090: Slican telephone exchanges authentication bypass via specific caller ID](https://junglewise.ai/threats/cve-2026-35090-slican-telephone-exchanges-authentication-bypass-via-specific) (info, CVSS 9.3, published 27 May 2026)
- [CVE-2026-35087: Slican Telephone Exchanges authentication bypass in administrative protocol](https://junglewise.ai/threats/cve-2026-35087-slican-telephone-exchanges-authentication-bypass-in) (info, CVSS 9.3, published 27 May 2026)
- [CVE-2026-35089: Slican telephone exchanges predictable secure key generation](https://junglewise.ai/threats/cve-2026-35089-slican-telephone-exchanges-predictable-secure-key-generation) (info, CVSS 8.7, published 27 May 2026)
- [CVE-2026-35088: Slican IPx telephone exchange hardcoded encryption key in binaries](https://junglewise.ai/threats/cve-2026-35088-slican-telephone-exchanges-use-symmetric-encryption-for-tcp-ip) (info, published 15 Oct 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Slican technologies

- [Slican CCT-1668](https://junglewise.ai/threats/technologies/cct-1668): 4 vulnerabilities
- [Slican CXS-0424](https://junglewise.ai/threats/technologies/cxs-0424): 4 vulnerabilities
- [Slican IPx](https://junglewise.ai/threats/technologies/slican-ipx): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Slican MAC-6400 vulnerabilities", https://junglewise.ai/threats/technologies/mac-6400, 9 November 2026.