CVE-2025-68132

EVerest is an EV charging software stack. Prior to version 2025.12.0, `is_message_crc_correct` in the DZG_GSH01 powermeter SLIP parser reads `vec[vec.size()-1]` and `vec[vec.size()-2]` without checking that at least two bytes are present. Malformed SLIP frames on the serial link can reach `is_message_crc_correct` with `vec.size() < 2` (only via the multi-message path), causing an out-of-bounds read before CRC verification and `pop_back` underflow. Therefore, an attacker controlling the serial input can reliably crash the process. Version 2025.12.0 fixes the issue.

• CWE-125

• https://github.com/EVerest/everest-core/commit/b8139b95144e3fe0082789b7fafe4e532ee494a1Patch
• https://github.com/EVerest/everest-core/security/advisories/GHSA-79gc-m8w6-9hx5Exploit, Mitigation, Vendor Advisory

Published

Jan 21, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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