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[email protected]NVD: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

authentication bypass

buffalo network devices

cve-2022-40966

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

0.001 Low

EPSS

Percentile

29.1%

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-

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

0.001 Low

EPSS

Percentile

29.1%

JSON

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