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.
Published: 2022-12-07
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-44212 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.
History

No history.

Subscriptions

Buffalo Bhr-4grv Bhr-4grv Firmware Dwr-hp-g300nh Dwr-hp-g300nh Firmware Dwr-pg Dwr-pg Firmware Fs-600dhp Fs-600dhp Firmware Fs-g300n Fs-g300n Firmware Fs-hp-g300n Fs-hp-g300n Firmware Fs-r600dhp Fs-r600dhp Firmware Hw-450hp-zwe Hw-450hp-zwe Firmware Wcr-300 Wcr-300 Firmware Wem-1266 Wem-1266 Firmware Wem-1266wp Wem-1266wp Firmware Wer-a54g54 Wer-a54g54 Firmware Wer-ag54 Wer-ag54 Firmware Wer-am54g54 Wer-am54g54 Firmware Wer-amg54 Wer-amg54 Firmware Whr-300 Whr-300 Firmware Whr-300hp Whr-300hp Firmware Whr-am54g54 Whr-am54g54 Firmware Whr-amg54 Whr-amg54 Firmware Whr-ampg Whr-ampg Firmware Whr-g Whr-g300n Whr-g300n Firmware Whr-g301n Whr-g301n Firmware Whr-g54s Whr-g54s-ni Whr-g54s-ni Firmware Whr-g54s Firmware Whr-g Firmware Whr-hp-ampg Whr-hp-ampg Firmware Whr-hp-g Whr-hp-g300n Whr-hp-g300n Firmware Whr-hp-g54 Whr-hp-g54 Firmware Whr-hp-g Firmware Whr-hp-gn Whr-hp-gn Firmware Wlae-ag300n Wlae-ag300n Firmware Wli-h4-d600 Wli-h4-d600 Firmware Wpl-05g300 Wpl-05g300 Firmware Wrm-d2133hp Wrm-d2133hp Firmware Wrm-d2133hs Wrm-d2133hs Firmware Ws024bf Ws024bf-nw Ws024bf-nw Firmware Ws024bf Firmware Wtr-m2133hp Wtr-m2133hp Firmware Wtr-m2133hs Wtr-m2133hs Firmware Wxr-1750dhp Wxr-1750dhp2 Wxr-1750dhp2 Firmware Wxr-1750dhp Firmware Wxr-1900dhp Wxr-1900dhp2 Wxr-1900dhp2 Firmware Wxr-1900dhp3 Wxr-1900dhp3 Firmware Wxr-1900dhp Firmware Wxr-5950ax12 Wxr-5950ax12 Firmware Wxr-6000ax12b Wxr-6000ax12b Firmware Wxr-6000ax12s Wxr-6000ax12s Firmware Wzr-1166dhp Wzr-1166dhp2 Wzr-1166dhp2 Firmware Wzr-1166dhp Firmware Wzr-1750dhp Wzr-1750dhp2 Wzr-1750dhp2 Firmware Wzr-1750dhp Firmware Wzr-300hp Wzr-300hp Firmware Wzr-450hp Wzr-450hp-cwt Wzr-450hp-cwt Firmware Wzr-450hp-ub Wzr-450hp-ub Firmware Wzr-450hp Firmware Wzr-600dhp Wzr-600dhp2 Wzr-600dhp2 Firmware Wzr-600dhp3 Wzr-600dhp3 Firmware Wzr-600dhp Firmware Wzr-900dhp Wzr-900dhp2 Wzr-900dhp2 Firmware Wzr-900dhp Firmware Wzr-agl300nh Wzr-agl300nh Firmware Wzr-ampg144nh Wzr-ampg144nh Firmware Wzr-ampg300nh Wzr-ampg300nh Firmware Wzr-d1100h Wzr-d1100h Firmware Wzr-g144n Wzr-g144n Firmware Wzr-g144nh Wzr-g144nh Firmware Wzr-hp-ag300h Wzr-hp-ag300h Firmware Wzr-hp-g300nh Wzr-hp-g300nh Firmware Wzr-hp-g301nh Wzr-hp-g301nh Firmware Wzr-hp-g302h Wzr-hp-g302h Firmware Wzr-hp-g450h Wzr-hp-g450h Firmware Wzr-s1750dhp Wzr-s1750dhp Firmware Wzr-s600dhp Wzr-s600dhp Firmware Wzr-s900dhp Wzr-s900dhp Firmware Wzr2-g300n Wzr2-g300n Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2025-04-23T16:06:14.667Z

Reserved: 2022-09-27T00:00:00.000Z

Link: CVE-2022-40966

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-12-07T10:15:11.073

Modified: 2025-04-23T16:15:25.130

Link: CVE-2022-40966

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses