How severe is CVE-2026-10166?

CVE-2026-10166 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-10166 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-10166?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-10166 have an EU (EUVD) identifier?

Yes. CVE-2026-10166 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33486.

When was CVE-2026-10166 published?

CVE-2026-10166 was published on 2026-05-31 and last updated on 2026-06-17.

CVE-2026-10166

CVE-2026-10166 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33486
Weakness: CWE-74
Published: 2026-05-31
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-10166?: 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.
How severe is CVE-2026-10166?: CVE-2026-10166 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-10166 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-10166?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-10166 have an EU (EUVD) identifier?: Yes. CVE-2026-10166 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33486.
When was CVE-2026-10166 published?: CVE-2026-10166 was published on 2026-05-31 and last updated on 2026-06-17.

References

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