CVE-2021-3511
Description
Disclosure of sensitive information to an unauthorized user vulnerability in Buffalo broadband routers (BHR-4GRV firmware Ver.1.99 and prior, DWR-HP-G300NH firmware Ver.1.83 and prior, HW-450HP-ZWE firmware Ver.1.99 and prior, WHR-300HP firmware Ver.1.99 and prior, WHR-300 firmware Ver.1.99 and prior, WHR-G301N firmware Ver.1.86 and prior, WHR-HP-G300N firmware Ver.1.99 and prior, WHR-HP-GN firmware Ver.1.86 and prior, WPL-05G300 firmware Ver.1.87 and prior, WZR-450HP-CWT firmware Ver.1.99 and prior, WZR-450HP-UB firmware Ver.1.99 and prior, WZR-HP-AG300H firmware Ver.1.75 and prior, WZR-HP-G300NH firmware Ver.1.83 and prior, WZR-HP-G301NH firmware Ver.1.83 and prior, WZR-HP-G302H firmware Ver.1.85 and prior, WZR-HP-G450H firmware Ver.1.89 and prior, WZR-300HP firmware Ver.1.99 and prior, WZR-450HP firmware Ver.1.99 and prior, WZR-600DHP firmware Ver.1.99 and prior, WZR-D1100H firmware Ver.1.99 and prior, FS-HP-G300N firmware Ver.3.32 and prior, FS-600DHP firmware Ver.3.38 and prior, FS-R600DHP firmware Ver.3.39 and prior, and FS-G300N firmware Ver.3.13 and prior) allows remote unauthenticated attackers to obtain information such as configuration via unspecified vectors.
How to fix
- buffalo bhr-4grv_firmware2.00 or later
- buffalo dwr-hp-g300nh_firmware1.84 or later
- buffalo hw-450hp-zwe_firmware2.00 or later
- buffalo whr-300hp_firmware2.00 or later
- buffalo whr-300_firmware2.00 or later
- buffalo whr-g301n_firmware1.87 or later
- buffalo whr-hp-g300n_firmware2.00 or later
- buffalo whr-hp-gn_firmware1.87 or later
- buffalo wpl-05g300_firmware1.88 or later
- buffalo wzr-450hp-cwt_firmware2.00 or later
- buffalo wzr-450hp-ub_firmware2.00 or later
- buffalo wzr-hp-ag300h_firmware1.76 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| buffalo bhr-4grv_firmware | v < 2.00 | 2.00 |
| buffalo dwr-hp-g300nh_firmware | v < 1.84 | 1.84 |
| buffalo hw-450hp-zwe_firmware | v < 2.00 | 2.00 |
| buffalo whr-300hp_firmware | v < 2.00 | 2.00 |
| buffalo whr-300_firmware | v < 2.00 | 2.00 |
| buffalo whr-g301n_firmware | v < 1.87 | 1.87 |
| buffalo whr-hp-g300n_firmware | v < 2.00 | 2.00 |
| buffalo whr-hp-gn_firmware | v < 1.87 | 1.87 |
| buffalo wpl-05g300_firmware | v < 1.88 | 1.88 |
| buffalo wzr-450hp-cwt_firmware | v < 2.00 | 2.00 |
| buffalo wzr-450hp-ub_firmware | v < 2.00 | 2.00 |
| buffalo wzr-hp-ag300h_firmware | v < 1.76 | 1.76 |
| buffalo wzr-hp-g300nh_firmware | v < 1.84 | 1.84 |
| buffalo wzr-hp-g301nh_firmware | v < 1.84 | 1.84 |
| buffalo wzr-hp-g302h_firmware | v < 1.86 | 1.86 |
| buffalo wzr-hp-g450h_firmware | v < 1.90 | 1.90 |
| buffalo wzr-300hp_firmware | v < 2.00 | 2.00 |
| buffalo wzr-450hp_firmware | v < 2.00 | 2.00 |
| buffalo wzr-600dhp_firmware | v < 2.00 | 2.00 |
| buffalo wzr-d1100h_firmware | v < 2.00 | 2.00 |
| buffalo fs-hp-g300n_firmware | v < 3.33 | 3.33 |
| buffalo fs-600dhp_firmware | v < 3.40 | 3.40 |
| buffalo fs-r600dhp_firmware | v < 3.40 | 3.40 |
| buffalo fs-g300n_firmware | v < 3.14 | 3.14 |
Check your version
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Attack Surface Management
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