How severe is CVE-2026-9394?

CVE-2026-9394 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-9394 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9394?

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

Does CVE-2026-9394 have an EU (EUVD) identifier?

Yes. CVE-2026-9394 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31548.

When was CVE-2026-9394 published?

CVE-2026-9394 was published on 2026-05-24 and last updated on 2026-06-17.

CVE-2026-9394

CVE-2026-9394 is a low-severity vulnerability with a CVSS 3.x base score of 3.1. 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-521.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
CVSS v2: 1.8
CVSS v4: 1.3
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31548
Weakness: CWE-521
Published: 2026-05-24
Last modified: 2026-06-17

Description

A vulnerability was determined in Besen BS20 EV Charging Station up to 20260426. This impacts an unknown function of the component Bluetooth Low Energy Handler. Executing a manipulation can lead to weak password requirements. The attack needs to be done within the local network. This attack is characterized by high complexity. The exploitability is said to be difficult. The original disclosure mentions, that "[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026."

Frequently asked questions

What is CVE-2026-9394?: A vulnerability was determined in Besen BS20 EV Charging Station up to 20260426. This impacts an unknown function of the component Bluetooth Low Energy Handler. Executing a manipulation can lead to weak password requirements. The attack needs to be done within the local network. This attack is characterized by high complexity. The exploitability is said to be difficult. The original disclosure mentions, that "[t]hese vulnerabilities have been reported to Besen and we have received their acknowlegement that they are reviewing this as of April 2026."
How severe is CVE-2026-9394?: CVE-2026-9394 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-9394 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9394?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9394 have an EU (EUVD) identifier?: Yes. CVE-2026-9394 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31548.
When was CVE-2026-9394 published?: CVE-2026-9394 was published on 2026-05-24 and last updated on 2026-06-17.

References

Other CWE-521 (Weak Password Requirements) vulnerabilities

CVE-2026-25715 — Critical (CVSS 9.8): The web management interface of the device allows the administrator username and password to be set to blank values.…
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CVE-2025-63747 — Critical (CVSS 9.8): QaTraq 6.9.2 ships with administrative account credentials which are enabled in default installations and permit…
CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
CVE-2025-12364 — Critical (CVSS 9.8): Weak Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

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