How severe is CVE-2026-40436?

CVE-2026-40436 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-40436 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.

What products are affected by CVE-2026-40436?

CVE-2026-40436 affects Zte Zxesm Iems. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40436?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-40436 have an EU (EUVD) identifier?

Yes. CVE-2026-40436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21883.

When was CVE-2026-40436 published?

CVE-2026-40436 was published on 2026-04-13 and last updated on 2026-06-17.

CVE-2026-40436

CVE-2026-40436 is a high-severity vulnerability in Zte Zxesm Iems with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21883
Affected product: Zte Zxesm Iems
Published: 2026-04-13
Last modified: 2026-06-17

Description

The ZTE ZXEDM iEMS product has a password reset vulnerability for any user.Because the management of the cloud EMS portal does not properly control access to the user list acquisition function, attackers can read all user list information through the user list interface. Attackers can reset the passwords of obtained user information, causing risks such as unauthorized operations.

Frequently asked questions

What is CVE-2026-40436?: The ZTE ZXEDM iEMS product has a password reset vulnerability for any user.Because the management of the cloud EMS portal does not properly control access to the user list acquisition function, attackers can read all user list information through the user list interface. Attackers can reset the passwords of obtained user information, causing risks such as unauthorized operations.
How severe is CVE-2026-40436?: CVE-2026-40436 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-40436 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.
What products are affected by CVE-2026-40436?: CVE-2026-40436 affects Zte Zxesm Iems. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-40436 have an EU (EUVD) identifier?: Yes. CVE-2026-40436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21883.
When was CVE-2026-40436 published?: CVE-2026-40436 was published on 2026-04-13 and last updated on 2026-06-17.

References

https://support.zte.com.cn/zte-iccp-isupport-webui/support/bulletin/security?lang=en_US&t=0.7465962531829456

Affected products (1)

cpe:2.3:a:zte:zxesm_iems:16.25.42.04:*:*:*:*:*:*:*