Ubiquiti UniFi Protect Application up to 7.2.104 input validation

CVSS Meta Temp Score
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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.
9.7$0-$5k2.40

Summaryinfo

A vulnerability marked as very critical has been reported in Ubiquiti UniFi Protect Application up to 7.2.104. Affected is an unknown function. The manipulation leads to input validation. This vulnerability is referenced as CVE-2026-77537. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Ubiquiti UniFi Protect Application up to 7.2.104 and classified as very critical. This issue affects an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi Protect Application to execute a Command Injection on the host device.

It is possible to read the advisory at community.ui.com. The identification of this vulnerability is CVE-2026-77537 since 08/20/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/26/2026).

Upgrading to version 7.2.105 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-66364) and CERT Bund (WID-SEC-2026-3028). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Ubiquiti UniFi

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.7

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector (Ubiquiti): 🔒

CVSSv2info

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

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: UniFi Protect Application 7.2.105

Timelineinfo

08/20/2026 CVE reserved
08/26/2026 +6 days Advisory disclosed
08/26/2026 +0 days VulDB entry created
08/26/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: community.ui.com
Status: Confirmed

CVE: CVE-2026-77537 (🔒)
GCVE (CVE): GCVE-0-2026-77537
GCVE (VulDB): GCVE-100-395735
EUVD: 🔒
CERT Bund: WID-SEC-2026-3028 - Ubiquiti UnifiOS: Mehrere Schwachstellen

Entryinfo

Created: 08/26/2026 12:03
Updated: 08/26/2026 13:58
Changes: 08/26/2026 12:03 (62), 08/26/2026 13:12 (1), 08/26/2026 13:58 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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