EVSE shutdown via unbounded connection threads
Published Jan 21, 2026 · Updated Jan 21, 2026
Resource exhaustion in EVerest Core before 2025.10.0 allows attackers to shut down EVSE functionality via adjacent-network TCP connections. The EvseV2G TCP and TLS accept paths create a handler thread for every socket before validating session state, with no connection limit. No privileges or user interaction are required, but access is limited to an adjacent network; memory exhaustion kills the module and terminates all EVerest modules.
Summary
What happened
Resource exhaustion in EVerest Core before 2025.10.0 allows attackers to shut down EVSE functionality via adjacent-network TCP connections. The EvseV2G TCP and TLS accept paths create a handler thread for every socket before validating session state, with no connection limit. No privileges or user interaction are required, but access is limited to an adjacent network; memory exhaustion kills the module and terminates all EVerest modules.
The record
- CVE
- CVE-2025-68133
- Published
- Jan 21, 2026
- Updated
- Jan 21, 2026
- Vendor
- EVerest
- Product
- EVerest Core
- Classifications
- CWE-770, T1499.004
- Attack vector
- adjacent
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 21, 2026CVE publishedPublication date reported by the CVE source.
- Jan 21, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 2025.10.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- EvseV2G TLS connection-exhaustion proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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