Vulnerability intelligence

CVE-2026-34910

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.

CVSS Score

Critical

EPSS — Exploit Probability

87%

Riskier than 100% of all CVEs

Exploitation

Confirmed in the wild

KEV since 2026-06-23

Remediation

unknown

Federal deadline 2026-06-26

NVD entry PoC / advisory CISA KEV

9 articles across 5 outlets · first covered Jun 23, 2026 · latest Jun 24, 2026

Tracked incidents

vulnerability closed 5 articles

CISA adds exploited Ubiquiti and Lantronix vulnerabilities to KEV catalog

Coverage timeline

CISA urges patching as hackers exploit critical Ubiquiti flaws
www.securityweek.com · Jun 24, 2026
CISA flags Ubiquiti, Lantronix flaws; urges US patch by June 2026
securityaffairs.com · Jun 24, 2026
SmartRAT ClickFix targets Brazilian banks with AI spoofed domains
securityonline.info · Jun 24, 2026
Lantronix, UniFi flaws surface as Outlook Mac reply glitch seen
securityonline.info · Jun 24, 2026
Google Search Now Saves Your Uploaded Media to Train AI
securityonline.info · Jun 24, 2026
Flaw in AVer PTC500S cameras allows remote code execution
securityonline.info · Jun 24, 2026
CISA Adds Four Exploited UniFi OS and Lantronix Flaws to KEV Catalog
securityonline.info · Jun 24, 2026
CISA flags active exploit in Ubiquiti UniFi OS CVE-2026-34910
www.cisa.gov · Jun 23, 2026
CISA Flags Critical UniFi OS Flaw as Actively Exploited, No Patch
cisa.gov · Jun 23, 2026