A buffer overflow vulnerability in login function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could allow remote attackers to execute arbitrary code on NAS devices.
CVE-2017-17030
CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 87.0%
- KEV
- Not listed
Published
December 21, 2017
Last Modified
May 13, 2026
Advisory Details (2)
Auto-updated May 17, 2026No patch confirmed yet.
generic
Security Advisory for Buffer Overflow Vulnerabilities in QTS - Security Advisory | QNAP
https://www.qnap.com/zh-tw/security-advisory/nas-201712-15Frequently asked(5)
What is CVE-2017-17030?
CVE-2017-17030 is a critical vulnerability published on December 21, 2017. A buffer overflow vulnerability in login function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could allow remote attackers to execute arbitrary code on NAS devices.
When was CVE-2017-17030 disclosed?
CVE-2017-17030 was first published in the National Vulnerability Database on December 21, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-17030 actively exploited?
CVE-2017-17030 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-17030?
CVE-2017-17030 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-17030?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-17030, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2017-17030
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