CVE-2021-40521 is a critical remote code execution vulnerability affecting Airangel HSMX Gateway devices up to version 5.2.04, including various HSMX-APP models. This flaw allows an unauthenticated attacker to execute arbitrary code remotely with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While rated with a CVSS score of 9.8 (Critical), there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage. Organizations utilizing affected Airangel HSMX Gateway devices should prioritize patching to mitigate this severe risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-25_firmware:*:*:*:*:*:*:*:* | ||
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-100_firmware:*:*:*:*:*:*:*:* | ||
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-1000_firmware:*:*:*:*:*:*:*:* | ||
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-5000_firmware:*:*:*:*:*:*:*:* | ||
<= 5.2.04CPE matchmatch criteria | cpe:2.3:o:airangel:hsmx-app-20000_firmware:*:*:*:*:*:*:*:* |
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.