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Vulnerability record · CVE-2023-2373 · published 28 April 2023

CVE-2023-2373: Ui edgemax edgerouter firmware injection vulnerability

Ui · Edgemax Edgerouter Firmware

A vulnerability was identified in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This vulnerability affects unknown code of the component Web Management Interface. Such manipulation of the argument ecn-up leads to command injection. The attack may be performed from remote. The exploit is publicly available and might be used. The actual existence of this vulnerability is currently in question. The vendor position is that post-authentication issues are not accepted as vulnerabilities.

7.3 CVSS 4.0 High EPSS 7.6% · top 5.6% CWE-74 · InjectionCWE-77 · Command injection
7.3CVSS 4.0 base score, v2 8.3
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 2 tagged exploit
9 Jul 2026Last modified by NVD

Description

A vulnerability was identified in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This vulnerability affects unknown code of the component Web Management Interface. Such manipulation of the argument ecn-up leads to command injection. The attack may be performed from remote. The exploit is publicly available and might be used. The actual existence of this vulnerability is currently in question. The vendor position is that post-authentication issues are not accepted as vulnerabilities.

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

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

References

LinkTags
https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/5 ExploitThird Party Advisory
https://vuldb.com/cve/CVE-2023-2373
https://vuldb.com/submit/114074
https://vuldb.com/vuln/227649
https://vuldb.com/vuln/227649/cti
https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/5 ExploitThird Party Advisory
https://vuldb.com/?ctiid.227649 Permissions RequiredThird Party Advisory
https://vuldb.com/?id.227649 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-2023-2373), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.