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CVE-2026-34911

HIGHCVSS 7.7/10EPSS 0.68%

Last modified

CVE-2026-34911 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to obtain sensitive information.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to obtain sensitive information.

Metrics

CVSS 3.1
7.7/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS Probability
0.68%

47.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
UiUnifi Os Server< 5.0.8
UiUnifi Cloud Gateway Industrial Firmware< 5.1.12
UiUnifi Dream Machine Firmware< 5.1.12
UiUnifi Dream Machine Pro Firmware< 5.1.12
UiUnifi Dream Machine Special Edition Firmware< 5.1.12
UiUnifi Dream Machine Pro Max Firmware< 5.1.12
UiEnterprise Fortress Gateway Firmware< 5.1.12
UiUnifi Dream Wall Firmware< 5.1.12
UiUnifi Dream Router Firmware< 5.1.12
UiUnifi Dream Router 7 Firmware< 5.1.12
UiUnifi Express 7 Firmware< 5.1.12
UiUnifi Network Video Recorder Firmware< 5.1.12
UiUnifi Network Video Recorder Pro Firmware< 5.1.12
UiUnifi Network Video Recorder Instant Firmware< 5.1.12
UiEnterprise Network Video Recorder Firmware< 5.1.12
UiUnifi Cloud Gateway Ultra Firmware< 5.1.12
UiUnifi Cloud Gateway Max Firmware< 5.1.12
UiUnifi Cloud Gateway Fiber Firmware< 5.1.12
UiUnifi Dream Router 5g Max Firmware< 5.1.12
UiEnterprise Network Video Recorder Core Firmware< 5.1.12
UiUnifi Cloud Key Plus Firmware< 5.1.12
UiUnifi Cloudkey Firmware< 5.1.12
UiUnifi Cloudkey Enterprise Firmware< 5.1.12
UiUnifi Network Video Recorder G2 Firmware< 5.1.12
UiUnifi Network Video Recorder G2 Pro Firmware< 5.1.12
UiUnifi Dream Machine Beast Firmware< 5.1.11
UiUnas 2 Firmware< 5.1.10
UiUnas 4 Firmware< 5.1.10
UiUnas Pro Firmware< 5.1.10
UiUnas Pro 4 Firmware< 5.1.10
UiUnas Pro 8 Firmware< 5.1.10

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-34911?
A malicious actor with access to the network and low privileges could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to obtain sensitive information.
How severe is CVE-2026-34911?
CVE-2026-34911 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.
How do I fix CVE-2026-34911?
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.

Are you affected by CVE-2026-34911?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST