CVE-2021-22774: Schneider Electric Evlink City EVC1S22P4 Firmware

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

A CWE-759: Use of a One-Way Hash without a Salt 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 lead an attacker to get knowledge of charging station user account credentials using dictionary attacks techniques.

Affected products

• Schneider Electric Evlink City EVC1S22P4 Firmware: before r8_v3.4.0.1 (fixed in r8_v3.4.0.1)
• Schneider Electric Evlink City EVC1S7P4 Firmware: before r8_v3.4.0.1 (fixed in r8_v3.4.0.1)
• Schneider Electric Evlink Parking ev.2 Firmware: before r8_v3.4.0.1 (fixed in r8_v3.4.0.1)
• Schneider Electric Evlink Parking EVF2 Firmware: before r8_v3.4.0.1 (fixed in r8_v3.4.0.1)
• Schneider Electric Evlink Parking EVW2 Firmware: before r8_v3.4.0.1 (fixed in r8_v3.4.0.1)
• Schneider Electric Evlink Smart Wallbox EVB1A Firmware: before r8_v3.4.0.1 (fixed in r8_v3.4.0.1)

Published 2021-07-21. Last modified 2026-06-17.