CVE-2026-34910
CRITICALCVSS 10/10Actively ExploitedEPSS 78.55%
Last modified
CVE-2026-34910 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 78.55% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ui | Unifi Os Server | < 5.0.8 |
| Ui | Unifi Cloud Gateway Industrial Firmware | < 5.1.12 |
| Ui | Unifi Dream Machine Firmware | < 5.1.12 |
| Ui | Unifi Dream Machine Pro Firmware | < 5.1.12 |
| Ui | Unifi Dream Machine Special Edition Firmware | < 5.1.12 |
| Ui | Unifi Dream Machine Pro Max Firmware | < 5.1.12 |
| Ui | Enterprise Fortress Gateway Firmware | < 5.1.12 |
| Ui | Unifi Dream Wall Firmware | < 5.1.12 |
| Ui | Unifi Dream Router Firmware | < 5.1.12 |
| Ui | Unifi Dream Router 7 Firmware | < 5.1.12 |
| Ui | Unifi Express 7 Firmware | < 5.1.12 |
| Ui | Unifi Network Video Recorder Firmware | < 5.1.12 |
| Ui | Unifi Network Video Recorder Pro Firmware | < 5.1.12 |
| Ui | Unifi Network Video Recorder Instant Firmware | < 5.1.12 |
| Ui | Enterprise Network Video Recorder Firmware | < 5.1.12 |
| Ui | Unifi Cloud Gateway Ultra Firmware | < 5.1.12 |
| Ui | Unifi Cloud Gateway Max Firmware | < 5.1.12 |
| Ui | Unifi Cloud Gateway Fiber Firmware | < 5.1.12 |
| Ui | Unifi Dream Router 5g Max Firmware | < 5.1.12 |
| Ui | Enterprise Network Video Recorder Core Firmware | < 5.1.12 |
| Ui | Unifi Cloud Key Plus Firmware | < 5.1.12 |
| Ui | Unifi Cloudkey Firmware | < 5.1.12 |
| Ui | Unifi Cloudkey Enterprise Firmware | < 5.1.12 |
| Ui | Unifi Network Video Recorder G2 Firmware | < 5.1.12 |
| Ui | Unifi Network Video Recorder G2 Pro Firmware | < 5.1.12 |
| Ui | Unifi Dream Machine Beast Firmware | < 5.1.11 |
| Ui | Unas 2 Firmware | < 5.1.10 |
| Ui | Unas 4 Firmware | < 5.1.10 |
| Ui | Unas Pro Firmware | < 5.1.10 |
| Ui | Unas Pro 4 Firmware | < 5.1.10 |
| Ui | Unas Pro 8 Firmware | < 5.1.10 |
References
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34910US Government Resource
- https://www.pwndefend.com/2026/06/09/cve-2026-34910-exploitation-itw-building-a-botnet-mirai/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is 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.
How severe is CVE-2026-34910?
CVE-2026-34910 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 78.55% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2026-34910?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-34910?
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Scan your code nowSource: NVD / NIST