VulnerabilityModified
CVE-2021-34346
A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion.
CRITICAL 9.8EPSS 1.58%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.58% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- qnap/nvr storage expansion firmware
- Source
- security@qnapsecurity.com.tw
References
- https://www.qnap.com/en/security-advisory/qsa-21-36Vendor Advisory
- https://www.qnap.com/en/security-advisory/qsa-21-36Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.