How severe is CVE-2017-7876?

CVE-2017-7876 has a CVSS 3.x base score of 10.0, 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-2017-7876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7876?

CVE-2017-7876 affects Qnap Qts. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7876?

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-2017-7876 published?

CVE-2017-7876 was published on 2017-06-15 and last updated on 2026-06-17.

CVE-2017-7876

CVE-2017-7876 is a critical-severity vulnerability in Qnap Qts with a CVSS 3.x base score of 10.0. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Qnap Qts
Published: 2017-06-15
Last modified: 2026-06-17

Description

This command injection vulnerability in QTS allows attackers to run arbitrary commands in the compromised application. QNAP have already fixed the issue in QTS 4.2.6 build 20170517, QTS 4.3.3.0174 build 20170503 and later versions.

Frequently asked questions

What is CVE-2017-7876?: This command injection vulnerability in QTS allows attackers to run arbitrary commands in the compromised application. QNAP have already fixed the issue in QTS 4.2.6 build 20170517, QTS 4.3.3.0174 build 20170503 and later versions.
How severe is CVE-2017-7876?: CVE-2017-7876 has a CVSS 3.x base score of 10.0, 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-2017-7876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7876?: CVE-2017-7876 affects Qnap Qts. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7876?: 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-2017-7876 published?: CVE-2017-7876 was published on 2017-06-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*

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