CVE-2021-22728: Schneider Electric Evlink City EVC1S22P4 Firmware

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A CWE-200: Information Exposure 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 cause disclosure of encrypted credentials when consulting the maintenance report.

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.