How severe is CVE-2015-8286?

CVE-2015-8286 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-8286 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8286?

CVE-2015-8286 affects Zhuhai Raysharp Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8286?

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-2015-8286 published?

CVE-2015-8286 was published on 2016-02-18 and last updated on 2026-06-17.

CVE-2015-8286

CVE-2015-8286 is a critical-severity vulnerability in Zhuhai Raysharp Firmware with a CVSS 3.x base score of 9.8. 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-254.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 5% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Zhuhai Raysharp Firmware
Published: 2016-02-18
Last modified: 2026-06-17

Description

Zhuhai RaySharp firmware has a hardcoded root password, which makes it easier for remote attackers to obtain access via a session on TCP port 23 or 9000.

Frequently asked questions

What is CVE-2015-8286?: Zhuhai RaySharp firmware has a hardcoded root password, which makes it easier for remote attackers to obtain access via a session on TCP port 23 or 9000.
How severe is CVE-2015-8286?: CVE-2015-8286 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-8286 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8286?: CVE-2015-8286 affects Zhuhai Raysharp Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8286?: 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-2015-8286 published?: CVE-2015-8286 was published on 2016-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:zhuhai:raysharp_firmware:*:*:*:*:*:*:*:*

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