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[email protected]CVE-2022-40966

HistoryDec 07, 2022 - 10:15 a.m.

CVE-2022-40966

2022-12-0710:15:11

CWE-287

[email protected]

web.nvd.nist.gov

cve-2022-40966

authentication bypass

buffalo

network devices

vulnerability

security

nvd

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.0%

JSON

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.

Affected configurations

NVD

Node

buffalowcr-300_firmwareRange≤1.87

AND

buffalowcr-300Match-

Node

buffalowhr-hp-g300n_firmwareRange≤2.00

AND

buffalowhr-hp-g300nMatch-

Node

buffalowhr-hp-gn_firmwareRange≤1.87

AND

buffalowhr-hp-gnMatch-

Node

buffalowpl-05g300_firmwareRange≤1.88

AND

buffalowpl-05g300Match-

Node

buffalowrm-d2133hp_firmwareRange≤2.85

AND

buffalowrm-d2133hpMatch-

Node

buffalowrm-d2133hs_firmwareRange≤2.96

AND

buffalowrm-d2133hsMatch-

Node

buffalowtr-m2133hp_firmwareRange≤2.85

AND

buffalowtr-m2133hpMatch-

Node

buffalowtr-m2133hs_firmwareRange≤2.96

AND

buffalowtr-m2133hsMatch-

Node

buffalowxr-1900dhp_firmwareRange≤2.50

AND

buffalowxr-1900dhpMatch-

Node

buffalowxr-1900dhp2_firmwareRange≤2.59

AND

buffalowxr-1900dhp2Match-

Node

buffalowxr-1900dhp3_firmwareRange≤2.63

AND

buffalowxr-1900dhp3Match-

Node

buffalowxr-5950ax12_firmwareRange≤3.40

AND

buffalowxr-5950ax12Match-

Node

buffalowxr-6000ax12b_firmwareRange≤3.40

AND

buffalowxr-6000ax12bMatch-

Node

buffalowxr-6000ax12s_firmwareRange≤3.40

AND

buffalowxr-6000ax12sMatch-

Node

buffalowzr-300hp_firmwareRange≤2.00

AND

buffalowzr-300hpMatch-

Node

buffalowzr-450hp_firmwareRange≤2.00

AND

buffalowzr-450hpMatch-

Node

buffalowzr-600dhp_firmwareRange≤2.00

AND

buffalowzr-600dhpMatch-

Node

buffalowzr-900dhp_firmwareRange≤1.15

AND

buffalowzr-900dhpMatch-

Node

buffalowzr-1750dhp2_firmwareRange≤2.31

AND

buffalowzr-1750dhp2Match-

Node

buffalowzr-hp-ag300h_firmwareRange≤1.76

AND

buffalowzr-hp-ag300hMatch-

Node

buffalowzr-hp-g302h_firmwareRange≤1.86

AND

buffalowzr-hp-g302hMatch-

Node

buffalowem-1266_firmwareRange≤2.85

AND

buffalowem-1266Match-

Node

buffalowem-1266wp_firmwareRange≤2.85

AND

buffalowem-1266wpMatch-

Node

buffalowlae-ag300n_firmwareRange≤1.86

AND

buffalowlae-ag300nMatch-

Node

buffalofs-600dhp_firmwareRange≤3.40

AND

buffalofs-600dhpMatch-

Node

buffalofs-g300n_firmwareRange≤3.14

AND

buffalofs-g300nMatch-

Node

buffalofs-hp-g300n_firmwareRange≤3.33

AND

buffalofs-hp-g300nMatch-

Node

buffalofs-r600dhp_firmwareRange≤3.40

AND

buffalofs-r600dhpMatch-

Node

buffalobhr-4grv_firmwareRange≤2.00

AND

buffalobhr-4grvMatch-

Node

buffalodwr-hp-g300nh_firmwareRange≤1.84

AND

buffalodwr-hp-g300nhMatch-

Node

buffalodwr-pg_firmwareRange≤1.83

AND

buffalodwr-pgMatch-

Node

buffalohw-450hp-zwe_firmwareRange≤2.00

AND

buffalohw-450hp-zweMatch-

Node

buffalower-a54g54_firmwareRange≤1.43

AND

buffalower-a54g54Match-

Node

buffalower-ag54_firmwareRange≤1.43

AND

buffalower-ag54Match-

Node

buffalower-am54g54_firmwareRange≤1.43

AND

buffalower-am54g54Match-

Node

buffalower-amg54_firmwareRange≤1.43

AND

buffalower-amg54Match-

Node

buffalowhr-300_firmwareRange≤2.00

AND

buffalowhr-300Match-

Node

buffalowhr-300hp_firmwareRange≤2.00

AND

buffalowhr-300hpMatch-

Node

buffalowhr-am54g54_firmwareRange≤1.43

AND

buffalowhr-am54g54Match-

Node

buffalowhr-amg54_firmwareRange≤1.43

AND

buffalowhr-amg54Match-

Node

buffalowhr-ampg_firmwareRange≤1.52

AND

buffalowhr-ampgMatch-

Node

buffalowhr-g_firmwareRange≤1.49

AND

buffalowhr-gMatch-

Node

buffalowhr-g300n_firmwareRange≤1.65

AND

buffalowhr-g300nMatch-

Node

buffalowhr-g301n_firmwareRange≤1.87

AND

buffalowhr-g301nMatch-

Node

buffalowhr-g54s_firmwareRange≤1.43

AND

buffalowhr-g54sMatch-

Node

buffalowhr-g54s-ni_firmwareRange≤1.24

AND

buffalowhr-g54s-niMatch-

Node

buffalowhr-hp-ampg_firmwareRange≤1.43

AND

buffalowhr-hp-ampgMatch-

Node

buffalowhr-hp-g_firmwareRange≤1.49

AND

buffalowhr-hp-gMatch-

Node

buffalowhr-hp-g54_firmwareRange≤1.43

AND

buffalowhr-hp-g54Match-

Node

buffalowli-h4-d600_firmwareRange≤1.88

AND

buffalowli-h4-d600Match-

Node

buffalows024bf_firmwareRange≤1.60

AND

buffalows024bfMatch-

Node

buffalows024bf-nw_firmwareRange≤1.60

AND

buffalows024bf-nwMatch-

Node

buffalowxr-1750dhp_firmwareRange≤2.60

AND

buffalowxr-1750dhpMatch-

Node

buffalowxr-1750dhp2_firmwareRange≤2.60

AND

buffalowxr-1750dhp2Match-

Node

buffalowzr-1166dhp_firmwareRange≤2.18

AND

buffalowzr-1166dhpMatch-

Node

buffalowzr-1166dhp2_firmwareRange≤2.18

AND

buffalowzr-1166dhp2Match-

Node

buffalowzr-1750dhp_firmwareRange≤2.30

AND

buffalowzr-1750dhpMatch-

Node

buffalowzr2-g300n_firmwareRange≤1.55

AND

buffalowzr2-g300nMatch-

Node

buffalowzr-450hp-cwt_firmwareRange≤2.00

AND

buffalowzr-450hp-cwtMatch-

Node

buffalowzr-450hp-ub_firmwareRange≤2.00

AND

buffalowzr-450hp-ubMatch-

Node

buffalowzr-600dhp2_firmwareRange≤1.15

AND

buffalowzr-600dhp2Match-

Node

buffalowzr-600dhp3_firmwareRange≤2.19

AND

buffalowzr-600dhp3Match-

Node

buffalowzr-900dhp2_firmwareRange≤2.19

AND

buffalowzr-900dhp2Match-

Node

buffalowzr-agl300nh_firmwareRange≤1.55

AND

buffalowzr-agl300nhMatch-

Node

buffalowzr-ampg144nh_firmwareRange≤1.49

AND

buffalowzr-ampg144nhMatch-

Node

buffalowzr-ampg300nh_firmwareRange≤1.51

AND

buffalowzr-ampg300nhMatch-

Node

buffalowzr-d1100h_firmwareRange≤2.00

AND

buffalowzr-d1100hMatch-

Node

buffalowzr-g144n_firmwareRange≤1.48

AND

buffalowzr-g144nMatch-

Node

buffalowzr-g144nh_firmwareRange≤1.48

AND

buffalowzr-g144nhMatch-

Node

buffalowzr-hp-g300nh_firmwareRange≤1.84

AND

buffalowzr-hp-g300nhMatch-

Node

buffalowzr-hp-g301nh_firmwareRange≤1.84

AND

buffalowzr-hp-g301nhMatch-

Node

buffalowzr-hp-g450h_firmwareRange≤1.90

AND

buffalowzr-hp-g450hMatch-

Node

buffalowzr-s1750dhp_firmwareRange≤2.32

AND

buffalowzr-s1750dhpMatch-

Node

buffalowzr-s600dhp_firmwareRange≤2.19

AND

buffalowzr-s600dhpMatch-

Node

buffalowzr-s900dhp_firmwareRange≤2.19

AND

buffalowzr-s900dhpMatch-

CPENameOperatorVersion
buffalo:wcr-300_firmwarebuffalo wcr-300 firmwarele1.87

CPE	Name	Operator	Version
buffalo:wcr-300_firmware	buffalo wcr-300 firmware	le	1.87

CNA Affected

[
  {
    "vendor": "BUFFALO INC.",
    "product": "Buffalo network devices",
    "versions": [
      {
        "version": "A wide range of products is affected.  For the specific products/versions information, see the URLs  provided by the vendor and JVN which are listed in [Reference] section.",
        "status": "affected"
      }
    ]
  }
]

References

jvn.jp/en/vu/JVNVU92805279/index.html

www.buffalo.jp/news/detail/20221003-01.html

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.0%

JSON

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