CVE-2026-9441: Injection Vulnerability (CVSS 6.3)

Description

A security flaw has been discovered in Edimax BR-6478AC 1.23. Affected by this issue is the function formiNICbasic of the file /goform/formiNICbasic of the component POST Request Handler. Performing a manipulation of the argument rootAPmac results in command injection. The attack can 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.

Metrics

CVSS 3.1

6.3/10

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

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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

EPSS Probability

1.35%

68.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published: May 25, 2026
Last Modified: Jul 23, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-9441?

A security flaw has been discovered in Edimax BR-6478AC 1.23. Affected by this issue is the function formiNICbasic of the file /goform/formiNICbasic of the component POST Request Handler. Performing a manipulation of the argument rootAPmac results in command injection. The attack can 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.

How severe is CVE-2026-9441?

CVE-2026-9441 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 1.35% probability of exploitation in the next 30 days.

How do I fix CVE-2026-9441?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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