Which products and versions are affected by CVE-2026-10166?

Affected: Br-6478ac Firmware (Edimax); BR-6478AC. The full list is in the CVE brief.

Is CVE-2026-10166 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2026-10166 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-10166?

Public exploit code is available.

Is there a fix for CVE-2026-10166?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2026-10166 be patched?

Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

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Vulnerability Intelligence

CVE-2026-10166

LowPublic exploit

A vulnerability was determined in Edimax BR-6478AC 1.23.

Published May 31, 2026 · Updated Jul 22, 2026 · Also known as EUVD-2026-33486, GHSA-xrc6-7rx8-67xr

Key Facts

Routine patching

CVE-2026-10166 is a low-severity vulnerability (CVSS 2.1 v4) affecting Br-6478ac Firmware (Edimax), BR-6478AC.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 1.1% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

CVSS v4

2.1

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 (30-day exploit likelihood)

1.1%

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2026-10166 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

A vulnerability was determined in Edimax BR-6478AC 1.23. The affected element is the function formWlbasic of the file /goform/formWlbasic of the component POST Request Handler. This manipulation of the argument rootAPmac causes command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
Br-6478ac FirmwareEdimax	See advisory	n/a
BR-6478AC	See advisory	n/a

Timeline

Publicly disclosed
May 31, 2026
Last updated
Jul 22, 2026

Weakness Type

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

References

FAQ

Common Questions.

A vulnerability was determined in Edimax BR-6478AC 1.23.
Affected: Br-6478ac Firmware (Edimax); BR-6478AC. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.

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