Vulnerability in Epower Epower.ie
CVE-2026-27778
The WebSocket Application Programming Interface lacks restrictions on the number of authentication requests. This absence of rate limiting may allow an attacker to conduct denial-of-service attacks by suppressing or mis-routing legitimate charger telemetry, or conduct brute-force attacks to gain unauthorized access.
EPSS: 0.006 (45.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Epower Epower.ie — versions All versions
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert@hq.dhs.gov (Product)
- ics-cert@hq.dhs.gov (US Government Resource)
- ics-cert@hq.dhs.gov (Product)
Frequently asked questions
- What is CVE-2026-27778?
- CVE-2026-27778 is a high-severity vulnerability in Epower Epower.ie, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 7.5/10. Published 2026-03-06.
- How severe is CVE-2026-27778?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2026-27778 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.