How many ui unifi cloud gateway ultra firmware CVEs are in CISA KEV?

Yes — 3 of ui unifi cloud gateway ultra firmware's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.

Which versions of ui unifi cloud gateway ultra firmware are affected?

3 distinct ui unifi cloud gateway ultra firmware versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.

What are the most common weakness types in ui unifi cloud gateway ultra firmware CVEs?

ui unifi cloud gateway ultra firmware's CVEs most often map to these CWE weakness types: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')), CWE-20 (Improper Input Validation), CWE-284 (Improper Access Control), CWE-89 (Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')).

What is the average severity of ui unifi cloud gateway ultra firmware CVEs?

The average CVSS base score across ui unifi cloud gateway ultra firmware's scored CVEs is 9.0.

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9 CVEs

3 in CISA KEV

ui unifi cloud gateway ultra firmware Vulnerabilities

Name: ui unifi cloud gateway ultra firmware vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for unifi cloud gateway ultra firmware by ui.

9

Total CVEs

Published

3

In CISA KEV

Exploited in the wild

3

Public exploits

PoC or exploit code

9.0

Avg CVSS

2026–2026

Last updated July 2, 2026

Overview

ui unifi cloud gateway ultra firmware has 9 published CVE records since 2026, of which 3 are in CISA's Known Exploited Vulnerabilities catalog and 3 have a known public exploit. The average CVSS base score across scored CVEs is 9.0.

This page aggregates every publicly disclosed vulnerability (CVE) affecting ui unifi cloud gateway ultra firmware, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list. Affected platforms include unifi cloud gateway ultra.

Severity and exploitation

How the CVSS severity of ui unifi cloud gateway ultra firmware's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical4

High5

Medium0

Low0

In CISA’s Known Exploited Vulnerabilities catalog

3

3 of ui unifi cloud gateway ultra firmware's CVEs are confirmed exploited in the wild.

Public exploits

3

3 of ui unifi cloud gateway ultra firmware's CVEs have a known public exploit available.

Affected versions and CVEs

Browse every ui unifi cloud gateway ultra firmware version named in a CVE, then pick one to see only the CVEs that affect it.

Version ranges

<= 5.1.155 CVEs
< 5.1.124 CVEs

Fixed in

5.1.124 CVEs

Find a version

9 CVEs

Sort

High vulnerability · 2026-07-02
CVE-2026-54401
Patch
CWE-918
High · CVSS 8.8
EPSS 0.2% (12th pct)2026-07-02
Critical vulnerability · 2026-07-02
CVE-2026-54402
Patch
CWE-20
Critical · CVSS 9.9
EPSS 1.2% (65th pct)2026-07-02
High vulnerability · 2026-07-02
CVE-2026-55110
Patch
CWE-942
High · CVSS 7.5
EPSS 0.1% (4th pct)2026-07-02
High vulnerability · 2026-07-02
CVE-2026-54404
Patch
CWE-89
High · CVSS 8.8
EPSS 0.3% (20th pct)2026-07-02
High vulnerability · 2026-07-02
CVE-2026-54403
Patch
CWE-22
High · CVSS 8.6
EPSS 0.6% (43th pct)2026-07-02
High vulnerability · 2026-05-22
CVE-2026-34911
Patch
CWE-22
High · CVSS 7.7
EPSS 0.7% (49th pct)2026-05-22
Critical vulnerability · 2026-05-22
CVE-2026-34910
CISA KEV
Public exploit
Patch
CWE-20
Added to CISA KEV 2026-06-23
Critical · CVSS 10.0
EPSS 87.0% (100th pct)2026-05-22
Critical vulnerability · 2026-05-22
CVE-2026-34908
CISA KEV
Public exploit
Patch
CWE-284
Added to CISA KEV 2026-06-23
Critical · CVSS 10.0
EPSS 58.4% (99th pct)2026-05-22
Critical vulnerability · 2026-05-22
CVE-2026-34909
CISA KEV
Public exploit
Patch
CWE-22
Added to CISA KEV 2026-06-23
Critical · CVSS 10.0
EPSS 56.9% (99th pct)2026-05-22

Common weakness types

The CWE weakness categories most often found in ui unifi cloud gateway ultra firmware CVEs. Follow any weakness for its full explanation.

Other ui products

Browse vulnerabilities for other products by ui.

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All ui vulnerabilities

Frequently asked questions

Common questions about ui unifi cloud gateway ultra firmware vulnerabilities.

How many CVEs does ui unifi cloud gateway ultra firmware have?: ui unifi cloud gateway ultra firmware has 9 published CVE records since 2026.
How many ui unifi cloud gateway ultra firmware CVEs are in CISA KEV?: Yes — 3 of ui unifi cloud gateway ultra firmware's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Are there public exploits for ui unifi cloud gateway ultra firmware vulnerabilities?: Yes — 3 of ui unifi cloud gateway ultra firmware's CVEs have a known public exploit.
Which versions of ui unifi cloud gateway ultra firmware are affected?: 3 distinct ui unifi cloud gateway ultra firmware versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
What are the most common weakness types in ui unifi cloud gateway ultra firmware CVEs?: ui unifi cloud gateway ultra firmware's CVEs most often map to these CWE weakness types: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')), CWE-20 (Improper Input Validation), CWE-284 (Improper Access Control), CWE-89 (Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')).
How many critical ui unifi cloud gateway ultra firmware vulnerabilities are there?: ui unifi cloud gateway ultra firmware has 4 critical and 5 high-severity CVEs.
What is the average severity of ui unifi cloud gateway ultra firmware CVEs?: The average CVSS base score across ui unifi cloud gateway ultra firmware's scored CVEs is 9.0.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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