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Vulnerability record · CVE-2025-66555 · published 4 December 2025

CVE-2025-66555: Missing authentication for critical function vulnerability

AirKeyboard iOS App 1.0.5 contains a missing authentication vulnerability that allows unauthenticated attackers to type arbitrary keystrokes directly into the victim's iOS device in real-time without user interaction, resulting in full remote input control.

8.8 CVSS 4.0 High EPSS 0.68% · top 49.6% CWE-306 · Missing authentication for critical function Deferred
8.8CVSS 4.0 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

AirKeyboard iOS App 1.0.5 contains a missing authentication vulnerability that allows unauthenticated attackers to type arbitrary keystrokes directly into the victim's iOS device in real-time without user interaction, resulting in full remote input control.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://airkeyboardapp.com
https://apps.apple.com/us/app/air-keyboard/id6463187929
https://www.exploit-db.com/exploits/52333
https://www.vulncheck.com/advisories/airkeyboard-ios-app-105-remote-input-injection

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Source: NIST National Vulnerability Database (record CVE-2025-66555), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.