How severe is CVE-2015-3911?

CVE-2015-3911 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2015-3911 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3911?

CVE-2015-3911 affects Huawei E587 Mobile Wifi Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3911?

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

When was CVE-2015-3911 published?

CVE-2015-3911 was published on 2015-05-21 and last updated on 2026-06-17.

CVE-2015-3911

CVE-2015-3911 is a critical-severity vulnerability in Huawei E587 Mobile Wifi Firmware with a CVSS 2.0 base score of 9.0. 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-284.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Huawei E587 Mobile Wifi Firmware
Published: 2015-05-21
Last modified: 2026-06-17

Description

Huawei E587 Mobile WiFi with firmware before 11.203.30.00.00 allows remote attackers to bypass authentication, change configurations, send messages, and cause a denial of service (device restart) via unspecified vectors.

Frequently asked questions

What is CVE-2015-3911?: Huawei E587 Mobile WiFi with firmware before 11.203.30.00.00 allows remote attackers to bypass authentication, change configurations, send messages, and cause a denial of service (device restart) via unspecified vectors.
How severe is CVE-2015-3911?: CVE-2015-3911 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2015-3911 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3911?: CVE-2015-3911 affects Huawei E587 Mobile Wifi Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3911?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-3911 published?: CVE-2015-3911 was published on 2015-05-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:huawei:e587_mobile_wifi_firmware:*:*:*:*:*:*:*:*

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →