CVE-2022-40966
Description
Authentication bypass vulnerability in multiple Buffalo network devices allows a network-adjacent attacker to bypass authentication and access the device. The affected products/versions are as follows: WCR-300 firmware Ver. 1.87 and earlier, WHR-HP-G300N firmware Ver. 2.00 and earlier, WHR-HP-GN firmware Ver. 1.87 and earlier, WPL-05G300 firmware Ver. 1.88 and earlier, WRM-D2133HP firmware Ver. 2.85 and earlier, WRM-D2133HS firmware Ver. 2.96 and earlier, WTR-M2133HP firmware Ver. 2.85 and earlier, WTR-M2133HS firmware Ver. 2.96 and earlier, WXR-1900DHP firmware Ver. 2.50 and earlier, WXR-1900DHP2 firmware Ver. 2.59 and earlier, WXR-1900DHP3 firmware Ver. 2.63 and earlier, WXR-5950AX12 firmware Ver. 3.40 and earlier, WXR-6000AX12B firmware Ver. 3.40 and earlier, WXR-6000AX12S firmware Ver. 3.40 and earlier, WZR-300HP firmware Ver. 2.00 and earlier, WZR-450HP firmware Ver. 2.00 and earlier, WZR-600DHP firmware Ver. 2.00 and earlier, WZR-900DHP firmware Ver. 1.15 and earlier, WZR-1750DHP2 firmware Ver. 2.31 and earlier, WZR-HP-AG300H firmware Ver. 1.76 and earlier, WZR-HP-G302H firmware Ver. 1.86 and earlier, WEM-1266 firmware Ver. 2.85 and earlier, WEM-1266WP firmware Ver. 2.85 and earlier, WLAE-AG300N firmware Ver. 1.86 and earlier, FS-600DHP firmware Ver. 3.40 and earlier, FS-G300N firmware Ver. 3.14 and earlier, FS-HP-G300N firmware Ver. 3.33 and earlier, FS-R600DHP firmware Ver. 3.40 and earlier, BHR-4GRV firmware Ver. 2.00 and earlier, DWR-HP-G300NH firmware Ver. 1.84 and earlier, DWR-PG firmware Ver. 1.83 and earlier, HW-450HP-ZWE firmware Ver. 2.00 and earlier, WER-A54G54 firmware Ver. 1.43 and earlier, WER-AG54 firmware Ver. 1.43 and earlier, WER-AM54G54 firmware Ver. 1.43 and earlier, WER-AMG54 firmware Ver. 1.43 and earlier, WHR-300 firmware Ver. 2.00 and earlier, WHR-300HP firmware Ver. 2.00 and earlier, WHR-AM54G54 firmware Ver. 1.43 and earlier, WHR-AMG54 firmware Ver. 1.43 and earlier, WHR-AMPG firmware Ver. 1.52 and earlier, WHR-G firmware Ver. 1.49 and earlier, WHR-G300N firmware Ver. 1.65 and earlier, WHR-G301N firmware Ver. 1.87 and earlier, WHR-G54S firmware Ver. 1.43 and earlier, WHR-G54S-NI firmware Ver. 1.24 and earlier, WHR-HP-AMPG firmware Ver. 1.43 and earlier, WHR-HP-G firmware Ver. 1.49 and earlier, WHR-HP-G54 firmware Ver. 1.43 and earlier, WLI-H4-D600 firmware Ver. 1.88 and earlier, WS024BF firmware Ver. 1.60 and earlier, WS024BF-NW firmware Ver. 1.60 and earlier, WXR-1750DHP firmware Ver. 2.60 and earlier, WXR-1750DHP2 firmware Ver. 2.60 and earlier, WZR-1166DHP firmware Ver. 2.18 and earlier, WZR-1166DHP2 firmware Ver. 2.18 and earlier, WZR-1750DHP firmware Ver. 2.30 and earlier, WZR2-G300N firmware Ver. 1.55 and earlier, WZR-450HP-CWT firmware Ver. 2.00 and earlier, WZR-450HP-UB firmware Ver. 2.00 and earlier, WZR-600DHP2 firmware Ver. 1.15 and earlier, WZR-600DHP3 firmware Ver. 2.19 and earlier, WZR-900DHP2 firmware Ver. 2.19 and earlier, WZR-AGL300NH firmware Ver. 1.55 and earlier, WZR-AMPG144NH firmware Ver. 1.49 and earlier, WZR-AMPG300NH firmware Ver. 1.51 and earlier, WZR-D1100H firmware Ver. 2.00 and earlier, WZR-G144N firmware Ver. 1.48 and earlier, WZR-G144NH firmware Ver. 1.48 and earlier, WZR-HP-G300NH firmware Ver. 1.84 and earlier, WZR-HP-G301NH firmware Ver. 1.84 and earlier, WZR-HP-G450H firmware Ver. 1.90 and earlier, WZR-S1750DHP firmware Ver. 2.32 and earlier, WZR-S600DHP firmware Ver. 2.19 and earlier, and WZR-S900DHP firmware Ver. 2.19 and earlier.
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| buffalo wcr-300_firmware | v ≤ 1.87 | — |
| buffalo whr-hp-g300n_firmware | v ≤ 2.00 | — |
| buffalo whr-hp-gn_firmware | v ≤ 1.87 | — |
| buffalo wpl-05g300_firmware | v ≤ 1.88 | — |
| buffalo wrm-d2133hp_firmware | v ≤ 2.85 | — |
| buffalo wrm-d2133hs_firmware | v ≤ 2.96 | — |
| buffalo wtr-m2133hp_firmware | v ≤ 2.85 | — |
| buffalo wtr-m2133hs_firmware | v ≤ 2.96 | — |
| buffalo wxr-1900dhp_firmware | v ≤ 2.50 | — |
| buffalo wxr-1900dhp2_firmware | v ≤ 2.59 | — |
| buffalo wxr-1900dhp3_firmware | v ≤ 2.63 | — |
| buffalo wxr-5950ax12_firmware | v ≤ 3.40 | — |
| buffalo wxr-6000ax12b_firmware | v ≤ 3.40 | — |
| buffalo wxr-6000ax12s_firmware | v ≤ 3.40 | — |
| buffalo wzr-300hp_firmware | v ≤ 2.00 | — |
| buffalo wzr-450hp_firmware | v ≤ 2.00 | — |
| buffalo wzr-600dhp_firmware | v ≤ 2.00 | — |
| buffalo wzr-900dhp_firmware | v ≤ 1.15 | — |
| buffalo wzr-1750dhp2_firmware | v ≤ 2.31 | — |
| buffalo wzr-hp-ag300h_firmware | v ≤ 1.76 | — |
| buffalo wzr-hp-g302h_firmware | v ≤ 1.86 | — |
| buffalo wem-1266_firmware | v ≤ 2.85 | — |
| buffalo wem-1266wp_firmware | v ≤ 2.85 | — |
| buffalo wlae-ag300n_firmware | v ≤ 1.86 | — |
| buffalo fs-600dhp_firmware | v ≤ 3.40 | — |
| buffalo fs-g300n_firmware | v ≤ 3.14 | — |
| buffalo fs-hp-g300n_firmware | v ≤ 3.33 | — |
| buffalo fs-r600dhp_firmware | v ≤ 3.40 | — |
| buffalo bhr-4grv_firmware | v ≤ 2.00 | — |
| buffalo dwr-hp-g300nh_firmware | v ≤ 1.84 | — |
| buffalo dwr-pg_firmware | v ≤ 1.83 | — |
| buffalo hw-450hp-zwe_firmware | v ≤ 2.00 | — |
| buffalo wer-a54g54_firmware | v ≤ 1.43 | — |
| buffalo wer-ag54_firmware | v ≤ 1.43 | — |
| buffalo wer-am54g54_firmware | v ≤ 1.43 | — |
| buffalo wer-amg54_firmware | v ≤ 1.43 | — |
| buffalo whr-300_firmware | v ≤ 2.00 | — |
| buffalo whr-300hp_firmware | v ≤ 2.00 | — |
| buffalo whr-am54g54_firmware | v ≤ 1.43 | — |
| buffalo whr-amg54_firmware | v ≤ 1.43 | — |
| buffalo whr-ampg_firmware | v ≤ 1.52 | — |
| buffalo whr-g_firmware | v ≤ 1.49 | — |
| buffalo whr-g300n_firmware | v ≤ 1.65 | — |
| buffalo whr-g301n_firmware | v ≤ 1.87 | — |
| buffalo whr-g54s_firmware | v ≤ 1.43 | — |
| buffalo whr-g54s-ni_firmware | v ≤ 1.24 | — |
| buffalo whr-hp-ampg_firmware | v ≤ 1.43 | — |
| buffalo whr-hp-g_firmware | v ≤ 1.49 | — |
| buffalo whr-hp-g54_firmware | v ≤ 1.43 | — |
| buffalo wli-h4-d600_firmware | v ≤ 1.88 | — |
| buffalo ws024bf_firmware | v ≤ 1.60 | — |
| buffalo ws024bf-nw_firmware | v ≤ 1.60 | — |
| buffalo wxr-1750dhp_firmware | v ≤ 2.60 | — |
| buffalo wxr-1750dhp2_firmware | v ≤ 2.60 | — |
| buffalo wzr-1166dhp_firmware | v ≤ 2.18 | — |
| buffalo wzr-1166dhp2_firmware | v ≤ 2.18 | — |
| buffalo wzr-1750dhp_firmware | v ≤ 2.30 | — |
| buffalo wzr2-g300n_firmware | v ≤ 1.55 | — |
| buffalo wzr-450hp-cwt_firmware | v ≤ 2.00 | — |
| buffalo wzr-450hp-ub_firmware | v ≤ 2.00 | — |
| buffalo wzr-600dhp2_firmware | v ≤ 1.15 | — |
| buffalo wzr-600dhp3_firmware | v ≤ 2.19 | — |
| buffalo wzr-900dhp2_firmware | v ≤ 2.19 | — |
| buffalo wzr-agl300nh_firmware | v ≤ 1.55 | — |
| buffalo wzr-ampg144nh_firmware | v ≤ 1.49 | — |
| buffalo wzr-ampg300nh_firmware | v ≤ 1.51 | — |
| buffalo wzr-d1100h_firmware | v ≤ 2.00 | — |
| buffalo wzr-g144n_firmware | v ≤ 1.48 | — |
| buffalo wzr-g144nh_firmware | v ≤ 1.48 | — |
| buffalo wzr-hp-g300nh_firmware | v ≤ 1.84 | — |
| buffalo wzr-hp-g301nh_firmware | v ≤ 1.84 | — |
| buffalo wzr-hp-g450h_firmware | v ≤ 1.90 | — |
| buffalo wzr-s1750dhp_firmware | v ≤ 2.32 | — |
| buffalo wzr-s600dhp_firmware | v ≤ 2.19 | — |
| buffalo wzr-s900dhp_firmware | v ≤ 2.19 | — |
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