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

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

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