CVE-2021-28797 is a critical stack-based buffer overflow vulnerability affecting QNAP NAS devices running Surveillance Station. This flaw allows unauthenticated attackers to execute arbitrary code remotely, posing a severe risk to system integrity and data confidentiality. QNAP has released patches in Surveillance Station versions 5.1.5.4.3 and 5.1.5.3.3 (and later) to address this issue. While no public exploit code or active exploitation has been observed, its high CVSS score of 9.8 (CRITICAL) necessitates immediate patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.1.5.3.3CPE matchmatch criteria | cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:* | ||
>= 5.1.5.4.0, < 5.1.5.4.3CPE matchmatch criteria | cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/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.