How severe is CVE-2016-10308?

CVE-2016-10308 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-2016-10308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10308?

CVE-2016-10308 primarily affects Siklu Etherhaul 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-2016-10308?

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-2016-10308 published?

CVE-2016-10308 was published on 2017-03-30 and last updated on 2026-06-17.

CVE-2016-10308

CVE-2016-10308 is a critical-severity vulnerability in Siklu Etherhaul 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Siklu Etherhaul Firmware
Published: 2017-03-30
Last modified: 2026-06-17

Description

Siklu EtherHaul radios before 3.7.1 and 6.x before 6.9.0 have a built-in, hidden root account, with an unchangeable password that is the same across all devices. This account is accessible via both SSH and the device's web interface and grants access to the underlying embedded Linux OS on the device, allowing full control over it.

Frequently asked questions

What is CVE-2016-10308?: Siklu EtherHaul radios before 3.7.1 and 6.x before 6.9.0 have a built-in, hidden root account, with an unchangeable password that is the same across all devices. This account is accessible via both SSH and the device's web interface and grants access to the underlying embedded Linux OS on the device, allowing full control over it.
How severe is CVE-2016-10308?: CVE-2016-10308 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-2016-10308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10308?: CVE-2016-10308 primarily affects Siklu Etherhaul 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-2016-10308?: 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-2016-10308 published?: CVE-2016-10308 was published on 2017-03-30 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:siklu:etherhaul_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siklu:etherhaul_firmware:6.0:*:*:*:*:*:*:*

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