CVE-2022-1668: Secheron SEPCOS Control and Protection Relay

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-06-24 · updated 2026-06-17
Weakness: CWE-521

Description

Weak default root user credentials allow remote attackers to easily obtain OS superuser privileges over the open TCP port for SSH.

Affected products

Secheron SEPCOS Control and Protection Relay firmware package: from 1.23.0 before 1.23.21; from 1.24.0 before 1.24.8; from 1.25.0 before 1.25.3 — fixed in 1.23.21, 1.24.8, 1.25.3

How to fix

Upgrade to a fixed version: Secheron SEPCOS Control and Protection Relay firmware package 1.23.21, 1.24.8, 1.25.3. Check the vendor advisory for mitigations.

References

https://www.cisa.gov/uscert/ics/advisories/icsa-22-174-03
https://www.cisa.gov/uscert/ics/advisories/icsa-22-174-03

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