CVE-2017-17030

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-12-21 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

QNAP QTS: through 4.3.3.0378; 4.3.4.0358-beta1, 4.3.4.0370-beta1, 4.3.4.0372-beta1, 4.3.4.0374-beta1, 4.3.4.0387-beta2

References

http://www.securitytracker.com/id/1040018
https://www.qnap.com/zh-tw/security-advisory/nas-201712-15
http://www.securitytracker.com/id/1040018
https://www.qnap.com/zh-tw/security-advisory/nas-201712-15

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