Description
A security flaw has been discovered in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This issue affects some unknown processing of the component Web Management Interface. Performing a manipulation of the argument ecn-down results in command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The existence of this vulnerability is still disputed at present. The vendor position is that post-authentication issues are not accepted as vulnerabilities.
Published: 2023-04-28
Score: 8.6 High
EPSS: 6.8% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-33864 A vulnerability has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6 and classified as critical. This vulnerability affects unknown code of the component Web Management Interface. The manipulation of the argument ecn-down leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-227650 is the identifier assigned to this vulnerability.
History

Thu, 09 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6 and classified as critical. This vulnerability affects unknown code of the component Web Management Interface. The manipulation of the argument ecn-down leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-227650 is the identifier assigned to this vulnerability. A security flaw has been discovered in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This issue affects some unknown processing of the component Web Management Interface. Performing a manipulation of the argument ecn-down results in command injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The existence of this vulnerability is still disputed at present. The vendor position is that post-authentication issues are not accepted as vulnerabilities.
Title Ubiquiti EdgeRouter X Web Management Interface command injection Ubiquiti EdgeRouter X Web Management command injection
First Time appeared Ubiquiti
Ubiquiti edgerouter X
Weaknesses CWE-74
CPEs cpe:2.3:h:ubiquiti:edgerouter_x:*:*:*:*:*:*:*:*
Vendors & Products Ubiquiti
Ubiquiti edgerouter X
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}

 cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

cvssV2_0

{'score': 8.3, 'vector': 'AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.2, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

Subscriptions

Ubiquiti Edgerouter X
Ui Er-x Er-x-sfp Er-x-sfp Firmware Er-x Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-07-09T13:53:09.733Z

Reserved: 2023-04-28T11:29:52.832Z

Link: CVE-2023-2374

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2023-04-28T15:15:10.847

Modified: 2026-06-17T05:52:24.730

Link: CVE-2023-2374

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-74

    Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

  • CWE-77

    Improper Neutralization of Special Elements used in a Command ('Command Injection')