by Kastro
Paper/Archive/CVE-2026-77554

CVE-2026-77554

Ubiquiti Inc UniFi Talk Application — A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to…

EPSS 2%CVSS 10.0
critical.is priorityof 100
45
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 76.3.763 × 2015.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Talk Application to execute a Command Injection on the host device.

Affected

ProductAffectedFixed inSource
UniFi Talk Application< 5.3.25.3.2CNA

Scores by source

Ubiquiti (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refcommunity.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9