CVE-2026-33009 - Vulnerability Analysis

Overview

EVerest EV charging software stack < 2026.02.0 contains a race condition caused by concurrent access to Charger::shared_context and internal_context without locks triggered by MQTT messages, letting attackers cause memory corruption, exploit requires sending crafted MQTT messages.

Severity & Score

Impact

Attackers can cause memory corruption leading to undefined behavior or crashes, potentially disrupting charging operations.

Mitigation

Update to version 2026.02.0 or later.

References

• https://github.com/EVerest/EVerest/security/advisories/GHSA-33qh-fg6f-jjx5

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 26, 2026

🟠 CVE-2026-33009 - High (8.2) EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to C++ UB (potential memory corruption). This is triggered by an MQTT `everest_external/nodered/{connector}/cmd/switch_three_phases_while_charging` mess... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-33009/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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