Everest
CVE-2025-68139
MEDIUM
Severity by source
AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
2DescriptionGitHub Advisory
EVerest is an EV charging software stack. In all versions up to and including 2025.12.1, the default value for terminate_connection_on_failed_response is False, which leaves the responsibility for session and connection termination to the EV. In this configuration, any errors encountered by the module are logged but do not trigger countermeasures such as session and connection reset or termination. This could be abused by a malicious user in order to exploit other weaknesses or vulnerabilities. While the default will stay at the setting that is described as potentially problematic in this reported issue, a mitigation is available by changing the terminate_connection_on_failed_response setting to true. However this cannot be set to this value by default since it can trigger errors in vehicle ECUs requiring ECU resets and lengthy unavailability in charging for vehicles. The maintainers judge this to be a much more important workaround then short-term unavailability of an EVSE, therefore this setting will stay at the current value.
AnalysisAI
EVerest is an EV charging software stack. In all versions up to and including 2025.12.1, the default value for terminate_connection_on_failed_response is False, which leaves the responsibility for session and connection termination to the EV. [CVSS 4.3 MEDIUM]
Technical ContextAI
Classified as CWE-384 (Session Fixation). Affects Everest. EVerest is an EV charging software stack. In all versions up to and including 2025.12.1, the default value for terminate_connection_on_failed_response is False, which leaves the responsibility for session and connection termination to the EV. In this configuration, any errors encountered by the module are logged but do not trigger countermeasures such as session and connection reset or termination. This could be abused by a malicious user in order to exploit other weaknesses or vulnerabiliti
RemediationAI
Monitor vendor advisories for a patch.
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Stack-based buffer overflow in EVerest EV charging software allows unauthenticated local attackers to execute arbitrary
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Concurrent access to shared memory in EVerest EV charging software (versions prior to 2026.02.0) enables remote attacker
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Out-of-bounds vector access in EVerest EV charging software (everest-core versions before 2026.02.0) enables remote unau
Same weakness CWE-384 – Session Fixation
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External POC / Exploit Code
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