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Vulnerability record · CVE-2021-40422 · published 14 April 2022

CVE-2021-40422: Swiftsensors sg3-1010 firmware hard-coded credentials vulnerability

Swiftsensors · Sg3 1010 Firmware

An authentication bypass vulnerability exists in the device password generation functionality of Swift Sensors Gateway SG3-1010. A specially-crafted network request can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.

10.0 CVSS 3.1 Critical EPSS 6.2% · top 6.7% CWE-798 · Hard-coded credentialsCWE-330 · CWE-330
10.0CVSS 3.1 base score, v2 10.0
6.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An authentication bypass vulnerability exists in the device password generation functionality of Swift Sensors Gateway SG3-1010. A specially-crafted network request can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1431 ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1431 ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-40422), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.