CVE-2009-3200
MEDIUM · CVSS 5.9EPSS 0.4%EU EUVD
The QNAP TS-239 Pro and TS-639 Pro with firmware 2.1.7 0613, 3.1.0 0627, and 3.1.1 0815 create an undocumented recovery key and store it in the ENCK variable in flash memory, which allows local users to bypass the passphrase requirement and decrypt the hard drive by reading this variable, deobfuscating the key, and running a cryptsetup luksOpen command.
Key facts
- CVSS score
- 5.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:M/Au:N/C:C/I:P/A:P- Weakness (CWE)
- CWE-310
- EPSS score
- 0.4% (35th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-3183)
- Published
- September 21, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-3183 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- qnap / ts-239 pro turbo nas
- qnap / ts-239 pro turbo nas
- qnap / ts-239 pro turbo nas
- qnap / ts-639 pro turbo nas
- qnap / ts-639 pro turbo nas
- qnap / ts-639 pro turbo nas
References
- http://forum.qnap.com/viewtopic.php?f=11&t=11214&start=20#p63346
- http://forum.qnap.com/viewtopic.php?f=12&t=12104&start=10#p63341
- http://secunia.com/advisories/36793
- http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt(Exploit)
- http://www.securityfocus.com/archive/1/506607/100/0/threaded
- http://www.securityfocus.com/bid/36467
- http://www.securitytracker.com/id?1022916
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53391
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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