CVE-2026-6866
High
Description
CWE-1188 Initialization of a Resource with an Insecure Default vulnerability exists that could cause unauthorized disclosure of sensitive information when credentials revert to initial settings in rare circumstances, enabling unauthorized authentication using known credentials.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSchneider-electric Ecostruxure Panel Server Pas400 Firmware
PublishedMay 12, 2026
First seenMay 12, 2026
Weakness typeCWE-1188CWE-1188
How to fix
Update
- schneider-electric ecostruxure_panel_server_pas400_firmware002.006.000 or later
- schneider-electric ecostruxure_panel_server_pas600_firmware002.006.000 or later
- schneider-electric ecostruxure_panel_server_pas600v2_firmware002.006.000 or later
- schneider-electric ecostruxure_panel_server_pas800_firmware002.006.000 or later
- schneider-electric ecostruxure_panel_server_pas800v2_firmware002.006.000 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric ecostruxure_panel_server_pas400_firmware | v < 002.006.000 | 002.006.000 |
| schneider-electric ecostruxure_panel_server_pas600_firmware | v < 002.006.000 | 002.006.000 |
| schneider-electric ecostruxure_panel_server_pas600v2_firmware | v < 002.006.000 | 002.006.000 |
| schneider-electric ecostruxure_panel_server_pas800_firmware | v < 002.006.000 | 002.006.000 |
| schneider-electric ecostruxure_panel_server_pas800v2_firmware | v < 002.006.000 | 002.006.000 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
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