How severe is CVE-2026-9378?

CVE-2026-9378 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-2026-9378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9378?

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

Does CVE-2026-9378 have an EU (EUVD) identifier?

Yes. CVE-2026-9378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31588.

When was CVE-2026-9378 published?

CVE-2026-9378 was published on 2026-05-24 and last updated on 2026-06-17.

CVE-2026-9378

CVE-2026-9378 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% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31588
Weakness: CWE-74
Published: 2026-05-24
Last modified: 2026-06-17

Description

A security flaw has been discovered in Edimax BR-6675nD 1.12. This affects the function formHwSet of the file /goform/formHwSet of the component POST Request Handler. The manipulation of the argument regDomain/ABandregDomain/nic0Addr/nic1Addr/wlanAddr/inicAddr results in command injection. It is possible to launch the attack 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.

Frequently asked questions

What is CVE-2026-9378?: A security flaw has been discovered in Edimax BR-6675nD 1.12. This affects the function formHwSet of the file /goform/formHwSet of the component POST Request Handler. The manipulation of the argument regDomain/ABandregDomain/nic0Addr/nic1Addr/wlanAddr/inicAddr results in command injection. It is possible to launch the attack 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-2026-9378?: CVE-2026-9378 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-2026-9378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9378 have an EU (EUVD) identifier?: Yes. CVE-2026-9378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31588.
When was CVE-2026-9378 published?: CVE-2026-9378 was published on 2026-05-24 and last updated on 2026-06-17.

References

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