CVE-2021-38684 is a critical stack buffer overflow vulnerability affecting QNAP NAS devices running Multimedia Console versions prior to 1.4.3 and 1.5.3. With a CVSS score of 9.8, this vulnerability allows unauthenticated remote attackers to execute arbitrary code with high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, immediate patching is strongly recommended due to its critical severity and ease of exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.4.3CPE matchmatch criteria | cpe:2.3:a:qnap:multimedia_console:*:*:*:*:*:*:*:* | ||
1.5.2CPE matchmatch criteria | cpe:2.3:a:qnap:multimedia_console:1.5.2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.