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CVE-2023-2374

31
FAUCET Score

CVE-2023-2374 is a critical command injection vulnerability impacting Ubiquiti EdgeRouter X devices running firmware up to 2.0.9-hotfix.6. This flaw resides in the web management interface, specifically through manipulation of the 'ecn-down' argument. With a CVSS score of 8.8 (High), it allows for remote, unauthenticated attackers to achieve high confidentiality, integrity, and availability impacts. While public exploit details exist, there is no evidence of active exploitation in the wild, nor are there readily available Metasploit or Nuclei modules, and community discussion remains minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:*:*:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:2.0.9:-:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix2:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix3:*:*:*:*:*:*
2.0.9CPE matchmatch criteria
cpe:2.3:o:ui:er-x_firmware:2.0.9:hotfix4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.3HIGH

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:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
6.80%
Probability of exploitation in next 30 days
EPSS Percentile
93.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0680 is in the 93rd percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Third Party Advisory
github.com / leetsun/IoT/tree/main/EdgeRouterX/CI/6
ExploitThird Party Advisory
vuldb.com / cve/CVE-2023-2374
vuldb.com / submit/114075
vuldb.com / vuln/227650
vuldb.com / vuln/227650/cti