CVE-2021-34345: Stack Based Overflow Vulnerability in NVR Storage Expansion

First published: Fri Sep 10 2021(Updated: )

A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later

Credit: security@qnapsecurity.com.tw

Affected Software	Affected Version	How to fix
Qnap Ej1600 Firmware	<1.0.6
Qnap Ej1600
Qnap Tl-r1620sdc Firmware	<1.0.6
Qnap Tl-r1620sdc
Qnap Tl-r1620sep-rp Firmware	<1.0.6
Qnap Tl-r1620sep-rp
Qnap Tl-r1220sep-rp Firmware	<1.0.6
Qnap Tl-r1220sep-rp
Qnap Tl-d1600s Firmware	<1.0.6
Qnap Tl-d1600s
Qnap Tl-d800s Firmware	<1.0.6
Qnap Tl-d800s
Qnap Tl-d400s Firmware	<1.0.6
Qnap Tl-d400s
Qnap Tl-r1200s-rp Firmware	<1.0.6
Qnap Tl-r1200s-rp
Qnap Tl-r400s Firmware	<1.0.6
Qnap Tl-r400s
Qnap Tl-r1200c-rp Firmware	<1.0.6
Qnap Tl-r1200c-rp
Qnap Tl-d800c Firmware	<1.0.6
Qnap Tl-d800c
Qnap Tr-004 Firmware	<1.0.6
Qnap Tr-004
Qnap Tr-002 Firmware	<1.0.6
Qnap Tr-002
Qnap Tr-004u Firmware	<1.0.6
Qnap Tr-004u

Remedy

We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later

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Reference Links

https://www.qnap.com/en/security-advisory/qsa-21-36

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