An exploitable regular expression without anchors vulnerability exists in the Web-Based Management (WBM) authentication functionality of WAGO PFC200 versions 03.00.39(12) and 03.01.07(13), and WAGO PFC100 version 03.00.39(12). A specially crafted authentication request can bypass regular expression filters, resulting in sensitive information disclosure.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pfc200_firmware | Wago | 03.00.39(12) (including) | 03.00.39(12) (including) |
| Pfc200_firmware | Wago | 03.01.07(13) (including) | 03.01.07(13) (including) |