Vulnerability · Published Sep 10, 2021 · Assigned by qnap
CVE-2021-34346Stack Based Overflow Vulnerability in NVR Storage Expansion
Critical 9.8
In plain English
A critical-severity out-of-bounds write in NVR Storage Expansion from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.6%top 24.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | NVR Storage Expansion | unspecified – before 1.0.6 ( 2021/08/03 ) |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.qnap.com/en/security-advisory/qsa-21-36 x_refsource_MISC