High severity · published Sep 22, 2026
CVE-2026-95861
A malicious actor with access to the network could exploit an Uncontrolled Recursion vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS)…
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
A malicious actor with access to the network could exploit an Uncontrolled Recursion vulnerability found in certain UniFi gateway devices to execute a Denial of Service (DoS) attack on the device.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CG
Cloud Gateways · Ubiquiti Inc
before 5.1.31 · source: vendor
DM
Dream Machines · Ubiquiti Inc
before 5.1.31 · source: vendor
DR
Dream Routers · Ubiquiti Inc
before 5.1.31 · source: vendor
DW
Dream Wall · Ubiquiti Inc
before 5.1.31 · source: vendor
EF
Enterprise Firewalls · Ubiquiti Inc
before 5.1.31 · source: vendor
EX
Express · Ubiquiti Inc
before 4.0.21 · source: vendor
E7
Express 7 · Ubiquiti Inc
before 5.1.31 · source: vendor
UG
UniFi Gateways · Ubiquiti Inc
before 5.1.26 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-95861
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-95861
community.ui.com
https://community.ui.com/releases/Security-Advisory-Bulletin-069-069/07e367a7-edec-4d85-a058-f97e5ce9ac9c
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