What’s Vulnerable › Vulnerabilities

CVE-2009-3278

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2009-09-21 · updated 2026-06-16
• Weakness: CWE-338

Description

The QNAP TS-239 Pro and TS-639 Pro with firmware 2.1.7 0613, 3.1.0 0627, and 3.1.1 0815 use the rand library function to generate a certain recovery key, which makes it easier for local users to determine this key via a brute-force attack.

Affected products

• QNAP Ts-239 Pro Firmware: 2.1.7-build0613, 3.1.0-build0627, 3.1.1-build0815
• QNAP Ts-639 Pro Firmware: 2.1.7-build0613, 3.1.0-build0627, 3.1.1-build0815

References

• http://secunia.com/advisories/36793
• http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt
• http://www.securityfocus.com/archive/1/506607/100/0/threaded
• http://www.securityfocus.com/bid/36467
• http://secunia.com/advisories/36793
• http://www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt
• http://www.securityfocus.com/archive/1/506607/100/0/threaded
• http://www.securityfocus.com/bid/36467

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