What is CVE-2026-9423?

CVE-2026-9423 is a medium-severity vulnerability in Edimax Br-6675nd, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-05-25.

How severe is CVE-2026-9423?

Medium severity. CVSS v3 base score is 4.7 out of 10.

RCE in Edimax Br-6675nd

CVE-2026-9423

A security flaw has been discovered in Edimax BR-6675nD 1.12. Impacted is the function mp of the file /goform/mp of the component POST Request Handler. Performing a manipulation of the argument command results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Published 2026-05-25 · last modified 2026-07-23.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.034 (88.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.034 · change: +0.014

Affected products

Edimax Br-6675nd — versions 1.12

Weakness classification (CWE)

References

vuldb.com/vuln/365404 (technical-description, vdb-entry)
vuldb.com/vuln/365404/cti (signature, permissions-required)
vuldb.com/submit/811568 (third-party-advisory)
lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-mp-34b53a41781f80809ca0d76d7c… (exploit)

Frequently asked questions

What is CVE-2026-9423?: CVE-2026-9423 is a medium-severity vulnerability in Edimax Br-6675nd, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-05-25.
How severe is CVE-2026-9423?: Medium severity. CVSS v3 base score is 4.7 out of 10.