CVE-2026-22790 - Vulnerability Analysis

Overview

EVerest EV charging software stack < 2026.02.0 contains a buffer overflow caused by trusting 'len' after an assert in HomeplugMessage::setup_payload, letting remote attackers execute code via oversized SLAC payloads, exploit requires network access.

Severity & Score

Impact

Remote attackers can execute arbitrary code remotely, potentially taking full control of the system.

Mitigation

Update to version 2026.02.0 or later.

References

• https://github.com/EVerest/EVerest/security/advisories/GHSA-wh8w-7cfc-gq7m

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Mar 26, 2026

🟠 CVE-2026-22790 - High (8.8) EVerest is an EV charging software stack. Prior to version 2026.02.0, `HomeplugMessage::setup_payload` trusts `len` after an `assert`; in release builds the check is removed, so oversized SLAC payloads are `memcpy`'d into a ~1497-byte stack buffer... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-22790/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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