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CVE-2025-14577: PHP Function Injection in Slican NPC/IPL/IPM/IPU

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-24 · updated 2026-06-17
• Weakness: CWE-306

Description

Slican NCP/IPL/IPM/IPU devices are vulnerable to PHP Function Injection. An unauthenticated remote attacker is able to execute arbitrary PHP commands by sending specially crafted requests to /webcti/session_ajax.php endpoint. This issue was fixed in version 1.24.0190 (Slican NCP) and 6.61.0010 (Slican IPL/IPM/IPU).

Affected products

• Slican Ipl-256 Firmware: before 6.61.0010 — fixed in 6.61.0010
• Slican Ipm-032 Firmware: before 6.61.0010 — fixed in 6.61.0010
• Slican Ipu-14 Firmware: before 6.61.0010 — fixed in 6.61.0010
• Slican Ncp Firmware: before 1.24.0190 — fixed in 1.24.0190

How to fix

Upgrade to a fixed version: Slican Ipl-256 Firmware 6.61.0010; Slican Ipm-032 Firmware 6.61.0010; Slican Ipu-14 Firmware 6.61.0010; Slican Ncp Firmware 1.24.0190. Check the vendor advisory for mitigations.

References

• https://cert.pl/posts/2026/02/CVE-2025-14577
• https://www.slican.pl/oferta/centrale-telefoniczne/

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