Ubiquiti Dream Machines recursion

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5$0-$5k1.08-

Summaryinfo

A vulnerability classified as critical was found in Ubiquiti Dream Machines, Enterprise Firewalls, Dream Routers, Cloud Gateways, Dream Wall, Express, Express 7 and UniFi Gateways. This issue affects some unknown processing. Such manipulation leads to recursion. This vulnerability is uniquely identified as CVE-2026-95861. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Ubiquiti Dream Machines, Enterprise Firewalls, Dream Routers, Cloud Gateways, Dream Wall, Express, Express 7 and UniFi Gateways and classified as critical. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a recursion vulnerability. Using CWE to declare the problem leads to CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. Impacted is availability. CVE summarizes:

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.

The advisory is shared for download at community.ui.com. This vulnerability is handled as CVE-2026-95861 since 09/22/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Ubiquiti): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/22/2026 Advisory disclosed
09/22/2026 +0 days CVE reserved
09/22/2026 +0 days VulDB entry created
09/22/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: community.ui.com
Status: Confirmed

CVE: CVE-2026-95861 (🔒)
GCVE (CVE): GCVE-0-2026-95861
GCVE (VulDB): GCVE-100-408632

Entryinfo

Created: 09/22/2026 21:07
Changes: 09/22/2026 21:07 (60)
Complete: 🔍
Cache ID: 216::103

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