Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-40519

30
FAUCET Score

CVE-2021-40519 describes a critical vulnerability in Airangel HSMX Gateway devices, affecting versions through 5.2.04, due to hard-coded database credentials. This flaw carries a CVSS score of 10.0, indicating a severe risk where an unauthenticated attacker can remotely compromise the system with low complexity, leading to complete confidentiality and integrity compromise. Despite its critical severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(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 Data

CVSS version used by this source: 3.1

10.0CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0111 is in the 48th percentile among its peer group of 36,862 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

etizazmohsin.com / hsmx.html
ExploitThird Party Advisory
airangel.com / hsmx-gateway
Product