How severe is CVE-2017-2186?

CVE-2017-2186 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2186?

CVE-2017-2186 primarily affects Kddi Home Spot Cube 2 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-2186?

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.

When was CVE-2017-2186 published?

CVE-2017-2186 was published on 2017-07-07 and last updated on 2026-06-17.

CVE-2017-2186

CVE-2017-2186 is a high-severity vulnerability in Kddi Home Spot Cube 2 Firmware with a CVSS 3.x base score of 8.8. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 8.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Kddi Home Spot Cube 2 Firmware
Published: 2017-07-07
Last modified: 2026-06-17

Description

HOME SPOT CUBE2 firmware V101 and earlier allows an attacker to bypass authentication to load malicious firmware via WebUI.

Frequently asked questions

What is CVE-2017-2186?: HOME SPOT CUBE2 firmware V101 and earlier allows an attacker to bypass authentication to load malicious firmware via WebUI.
How severe is CVE-2017-2186?: CVE-2017-2186 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2186?: CVE-2017-2186 primarily affects Kddi Home Spot Cube 2 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-2186?: 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.
When was CVE-2017-2186 published?: CVE-2017-2186 was published on 2017-07-07 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:kddi:home_spot_cube_2_firmware:v100:*:*:*:*:*:*:*
cpe:2.3:o:kddi:home_spot_cube_2_firmware:v101:*:*:*:*:*:*:*

More vulnerabilities in Kddi Home Spot Cube 2 Firmware

CVE-2024-23978 — Critical (CVSS 9.8): Heap-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier. By processing invalid values,…
CVE-2022-33948 — High (CVSS 8.8): HOME SPOT CUBE2 V102 contains an OS command injection vulnerability due to improper processing of data received from…
CVE-2017-2185 — High (CVSS 8.8): HOME SPOT CUBE2 firmware V101 and earlier allows authenticated attackers to execute arbitrary OS commands via WebUI.
CVE-2017-2184 — High (CVSS 8.8): Buffer overflow in HOME SPOT CUBE2 firmware V101 and earlier allows an attacker to execute arbitrary code via WebUI.
CVE-2017-2183 — High (CVSS 8.0): HOME SPOT CUBE2 firmware V101 and earlier allows authenticated attackers to execute arbitrary OS commands via Clock…
CVE-2024-21780 — High (CVSS 7.5): Stack-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier. Processing a specially crafted…

All CVEs affecting Kddi Home Spot Cube 2 Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →