What’s Vulnerable › Vulnerabilities

CVE-2021-41292: ECOA BAS controller - Broken Authentication

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-09-30 · updated 2026-06-17
• Weakness: CWE-288

Description

ECOA BAS controller suffers from an authentication bypass vulnerability. An unauthenticated attacker through cookie poisoning can remotely bypass authentication and disclose sensitive information and circumvent physical access controls in smart homes and buildings and manipulate HVAC.

Affected products

• Ecoa Ecs Router Controller-Ecs Firmware: all versions
• Ecoa Riskbuster Firmware: all versions
• Ecoa Riskterminator: all versions

References

• https://www.twcert.org.tw/tw/cp-132-5128-b075a-1.html
• https://www.twcert.org.tw/tw/cp-132-5128-b075a-1.html

Get alerted when CVE-2021-41292 or the next vulnerability affects your stack