CVE-2022-39044

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-07 · updated 2026-06-17

Description

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.

Affected products

Buffalo Bhr-4Grv Firmware: through 2.00
Buffalo Dwr-Hp-G300Nh Firmware: through 1.84
Buffalo Dwr-Pg Firmware: through 1.83
Buffalo Fs-600Dhp Firmware: through 3.40
Buffalo Fs-G300N Firmware: through 3.14
Buffalo Fs-Hp-G300N Firmware: through 3.33
Buffalo Fs-R600Dhp Firmware: through 3.40
Buffalo Hw-450Hp-Zwe Firmware: through 2.00
Buffalo Wcr-300 Firmware: through 1.87
Buffalo Wer-A54G54 Firmware: through 1.43
Buffalo Wer-Ag54 Firmware: through 1.43
Buffalo Wer-Am54G54 Firmware: through 1.43
Buffalo Wer-Amg54 Firmware: through 1.43
Buffalo Whr-300 Firmware: through 2.00
Buffalo Whr-300Hp Firmware: through 2.00
Buffalo Whr-Am54G54 Firmware: through 1.43
Buffalo Whr-Amg54 Firmware: through 1.43
Buffalo Whr-Ampg Firmware: through 1.52
Buffalo Whr-G300N Firmware: through 1.65
Buffalo Whr-G301N Firmware: through 1.87
Buffalo Whr-G54S-Ni Firmware: through 1.24
Buffalo Whr-G54S Firmware: through 1.43
Buffalo Whr-G Firmware: through 1.49
Buffalo Whr-Hp-Ampg Firmware: through 1.49
Buffalo Whr-Hp-G300N Firmware: through 2.00
Buffalo Whr-Hp-G54 Firmware: through 1.43
Buffalo Whr-Hp-G Firmware: through 1.49
Buffalo Whr-Hp-Gn Firmware: through 1.87
Buffalo Wlae-Ag300N Firmware: through 1.86
Buffalo Wli-H4-D600 Firmware: through 1.88

References

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