Vulnerability Title: Signature Verification Bypass in EVlink City, EVlink Parking, and EVlink Smart Wallbox

Vulnerability Title: Signature Verification Bypass in EVlink City, EVlink Parking, and EVlink Smart Wallbox

CVE-2021-22708 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

A CWE-347: Improper Verification of Cryptographic Signature vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all versions prior to R8 V3.4.0.1), and EVlink Smart Wallbox (EVB1A all versions prior to R8 V3.4.0.1 ) that could allow an attacker to craft a malicious firmware package and bypass the signature verification mechanism.

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