CVE-2022-39044

Hidden functionality vulnerability in multiple Buffalo network devices allows a network-adjacent attacker with an administrative privilege to execute an arbitrary OS command. 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, 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-HP-AG300H firmware Ver. 1.76 and earlier, WZR-HP-G302H firmware Ver. 1.86 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, WLI-TX4-AG300N firmware Ver. 1.53 and earlier, WS024BF firmware Ver. 1.60 and earlier, WS024BF-NW firmware Ver. 1.60 and earlier, WZR2-G108 firmware Ver. 1.33 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-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, and WZR-HP-G450H firmware Ver. 1.90 and earlier.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.8 MEDIUM
ADJACENT_NETWORK
LOW
HIGH
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
jpcertCNA
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CVEADP
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CISA-ADPADP
6.8 MEDIUM
ADJACENT_NETWORK
LOW
HIGH
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
VendorProductVersion
buffalowcr-300_firmware
𝑥
≤ 1.87
buffalowhr-hp-g300n_firmware
𝑥
≤ 2.00
buffalowhr-hp-gn_firmware
𝑥
≤ 1.87
buffalowpl-05g300_firmware
𝑥
≤ 1.88
buffalowzr-300hp_firmware
𝑥
≤ 2.00
buffalowzr-450hp_firmware
𝑥
≤ 2.00
buffalowzr-600dhp_firmware
𝑥
≤ 2.00
buffalowzr-900dhp_firmware
𝑥
≤ 1.15
buffalowzr-hp-ag300h_firmware
𝑥
≤ 1.76
buffalowzr-hp-g302h_firmware
𝑥
≤ 1.86
buffalowlae-ag300n_firmware
𝑥
≤ 1.86
buffalofs-600dhp_firmware
𝑥
≤ 3.40
buffalofs-g300n_firmware
𝑥
≤ 3.14
buffalofs-hp-g300n_firmware
𝑥
≤ 3.33
buffalofs-r600dhp_firmware
𝑥
≤ 3.40
buffalobhr-4grv_firmware
𝑥
≤ 2.00
buffalodwr-hp-g300nh_firmware
𝑥
≤ 1.84
buffalodwr-pg_firmware
𝑥
≤ 1.83
buffalohw-450hp-zwe_firmware
𝑥
≤ 2.00
buffalower-a54g54_firmware
𝑥
≤ 1.43
buffalower-ag54_firmware
𝑥
≤ 1.43
buffalower-am54g54_firmware
𝑥
≤ 1.43
buffalower-amg54_firmware
𝑥
≤ 1.43
buffalowhr-300_firmware
𝑥
≤ 2.00
buffalowhr-300hp_firmware
𝑥
≤ 2.00
buffalowhr-am54g54_firmware
𝑥
≤ 1.43
buffalowhr-amg54_firmware
𝑥
≤ 1.43
buffalowhr-ampg_firmware
𝑥
≤ 1.52
buffalowhr-g_firmware
𝑥
≤ 1.49
buffalowhr-g300n_firmware
𝑥
≤ 1.65
buffalowhr-g301n_firmware
𝑥
≤ 1.87
buffalowhr-g54s_firmware
𝑥
≤ 1.43
buffalowhr-g54s-ni_firmware
𝑥
≤ 1.24
buffalowhr-hp-ampg_firmware
𝑥
≤ 1.49
buffalowhr-hp-g_firmware
𝑥
≤ 1.49
buffalowhr-hp-g54_firmware
𝑥
≤ 1.43
buffalowli-h4-d600_firmware
𝑥
≤ 1.88
buffalowli-tx4-ag300n_firmware
𝑥
≤ 1.53
buffalows024bf_firmware
𝑥
≤ 1.60
buffalows024bf-nw_firmware
𝑥
≤ 1.60
buffalowzr2-g108_firmware
𝑥
≤ 1.33
buffalowzr2-g300n_firmware
𝑥
≤ 1.55
buffalowzr-450hp-cwt_firmware
𝑥
≤ 2.00
buffalowzr-450hp-ub_firmware
𝑥
≤ 2.00
buffalowzr-600dhp2_firmware
𝑥
≤ 1.15
buffalowzr-agl300nh_firmware
𝑥
≤ 1.55
buffalowzr-ampg144nh_firmware
𝑥
≤ 1.49
buffalowzr-ampg300nh_firmware
𝑥
≤ 1.51
buffalowzr-d1100h_firmware
𝑥
≤ 2.00
buffalowzr-g144n_firmware
𝑥
≤ 1.48
buffalowzr-g144nh_firmware
𝑥
≤ 1.48
buffalowzr-hp-g300nh_firmware
𝑥
≤ 1.84
buffalowzr-hp-g301nh_firmware
𝑥
≤ 1.84
buffalowzr-hp-g450h_firmware
𝑥
≤ 1.90
𝑥
= Vulnerable software versions
References
https://jvn.jp/en/vu/JVNVU92805279/index.html
https://www.buffalo.jp/news/detail/20221003-01.html
https://jvn.jp/en/vu/JVNVU92805279/index.html
https://www.buffalo.jp/news/detail/20221003-01.html