How severe is CVE-2026-40004?

CVE-2026-40004 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over physical access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-40004 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40004?

CVE-2026-40004 affects Zte Zxcloud Irai. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40004?

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

Does CVE-2026-40004 have an EU (EUVD) identifier?

Yes. CVE-2026-40004 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28243.

When was CVE-2026-40004 published?

CVE-2026-40004 was published on 2026-05-07 and last updated on 2026-06-17.

CVE-2026-40004

CVE-2026-40004 is a medium-severity vulnerability in Zte Zxcloud Irai with a CVSS 3.x base score of 5.5. 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-427.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28243
Weakness: CWE-427
Affected product: Zte Zxcloud Irai
Published: 2026-05-07
Last modified: 2026-06-17

Description

There exists an openssl.cnf privilege escalation vulnerability in ZTE Cloud PC client uSmartview. An attacker can execute arbitrary code locally and escalate privileges.

Frequently asked questions

What is CVE-2026-40004?: There exists an openssl.cnf privilege escalation vulnerability in ZTE Cloud PC client uSmartview. An attacker can execute arbitrary code locally and escalate privileges.
How severe is CVE-2026-40004?: CVE-2026-40004 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over physical access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-40004 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40004?: CVE-2026-40004 affects Zte Zxcloud Irai. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40004?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40004 have an EU (EUVD) identifier?: Yes. CVE-2026-40004 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28243.
When was CVE-2026-40004 published?: CVE-2026-40004 was published on 2026-05-07 and last updated on 2026-06-17.

References

https://support.zte.com.cn/zte-iccp-isupport-webui/bulletin/detail/3126272076755775573

Affected products (1)

cpe:2.3:a:zte:zxcloud_irai:*:*:*:*:*:*:*:*

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