How severe is CVE-2016-5675?

CVE-2016-5675 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-2016-5675 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 71% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5675?

CVE-2016-5675 primarily affects Netgear Readynas Surveillance. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-5675?

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-2016-5675 published?

CVE-2016-5675 was published on 2016-08-31 and last updated on 2026-06-17.

CVE-2016-5675

CVE-2016-5675 is a critical-severity vulnerability in Netgear Readynas Surveillance with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 71% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 71% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Netgear Readynas Surveillance
Published: 2016-08-31
Last modified: 2026-06-17

Description

handle_daylightsaving.php in NUUO NVRmini 2 1.7.5 through 3.0.0, NUUO NVRsolo 1.0.0 through 3.0.0, NUUO Crystal 2.2.1 through 3.2.0, and NETGEAR ReadyNAS Surveillance 1.1.1 through 1.4.1 allows remote attackers to execute arbitrary PHP code via the NTPServer parameter.

Frequently asked questions

What is CVE-2016-5675?: handle_daylightsaving.php in NUUO NVRmini 2 1.7.5 through 3.0.0, NUUO NVRsolo 1.0.0 through 3.0.0, NUUO Crystal 2.2.1 through 3.2.0, and NETGEAR ReadyNAS Surveillance 1.1.1 through 1.4.1 allows remote attackers to execute arbitrary PHP code via the NTPServer parameter.
How severe is CVE-2016-5675?: CVE-2016-5675 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-2016-5675 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 71% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5675?: CVE-2016-5675 primarily affects Netgear Readynas Surveillance. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-5675?: 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-2016-5675 published?: CVE-2016-5675 was published on 2016-08-31 and last updated on 2026-06-17.

References

Affected products (36)

cpe:2.3:a:netgear:readynas_surveillance:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:netgear:readynas_surveillance:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:netgear:readynas_surveillance:1.2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:netgear:readynas_surveillance:1.3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:netgear:readynas_surveillance:1.3.2.14:*:*:*:*:*:*:*
cpe:2.3:a:netgear:readynas_surveillance:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:netgear:readynas_surveillance:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:netgear:readynas_surveillance:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:nuuo:crystal:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:nuuo:crystal:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:nuuo:crystal:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:nuuo:crystal:3.2.0:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:1.0.0:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:1.0.1:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:1.1.0:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:1.1.0.117:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:1.1.1:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:1.1.2:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:1.2.0:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:1.3.0:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:1.75:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:2.0.0:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:2.1.5:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:2.2.2:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:2.3:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:2.3.1.20:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:2.3.7.9:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:2.3.7.10:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:2.3.9.6:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrsolo:3.0.0:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrmini_2:1.7.5:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrmini_2:1.7.6:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrmini_2:2.0.0:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrmini_2:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:nuuo:nvrmini_2:3.0.0:*:*:*:*:*:*:*

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