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Vulnerability record · CVE-2023-2379 · published 28 April 2023

CVE-2023-2379: Ui er-x firmware improper resource shutdown vulnerability

Ui · Er X Firmware

A vulnerability classified as critical has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This affects an unknown part of the component Web Service. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-227655.

7.5 CVSS 3.1 High EPSS 1.3% · top 31.0% CWE-404 · Improper resource shutdown
7.5CVSS 3.1 base score, v2 7.8
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability classified as critical has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This affects an unknown part of the component Web Service. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-227655.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/leetsun/IoT/tree/main/EdgeRouterX/DoS ExploitThird Party Advisory
https://vuldb.com/?ctiid.227655 Third Party Advisory
https://vuldb.com/?id.227655 Third Party Advisory
https://github.com/leetsun/IoT/tree/main/EdgeRouterX/DoS ExploitThird Party Advisory
https://vuldb.com/?ctiid.227655 Third Party Advisory
https://vuldb.com/?id.227655 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-2379), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.