CVE-2021-3511
Description
Disclosure of sensitive information to an unauthorized user vulnerability in Buffalo broadband routers (BHR-4GRV firmware Ver.1.99 and prior, DWR-HP-G300NH firmware Ver.1.83 and prior, HW-450HP-ZWE firmware Ver.1.99 and prior, WHR-300HP firmware Ver.1.99 and prior, WHR-300 firmware Ver.1.99 and prior, WHR-G301N firmware Ver.1.86 and prior, WHR-HP-G300N firmware Ver.1.99 and prior, WHR-HP-GN firmware Ver.1.86 and prior, WPL-05G300 firmware Ver.1.87 and prior, WZR-450HP-CWT firmware Ver.1.99 and prior, WZR-450HP-UB firmware Ver.1.99 and prior, WZR-HP-AG300H firmware Ver.1.75 and prior, WZR-HP-G300NH firmware Ver.1.83 and prior, WZR-HP-G301NH firmware Ver.1.83 and prior, WZR-HP-G302H firmware Ver.1.85 and prior, WZR-HP-G450H firmware Ver.1.89 and prior, WZR-300HP firmware Ver.1.99 and prior, WZR-450HP firmware Ver.1.99 and prior, WZR-600DHP firmware Ver.1.99 and prior, WZR-D1100H firmware Ver.1.99 and prior, FS-HP-G300N firmware Ver.3.32 and prior, FS-600DHP firmware Ver.3.38 and prior, FS-R600DHP firmware Ver.3.39 and prior, and FS-G300N firmware Ver.3.13 and prior) allows remote unauthenticated attackers to obtain information such as configuration via unspecified vectors.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
28- cpe:2.3:o:buffalo:dwr-hp-g300nh_firmware:*:*:*:*:*:*:*:*Range: <1.84
- cpe:2.3:o:buffalo:hw-450hp-zwe_firmware:*:*:*:*:*:*:*:*Range: <2.00
- cpe:2.3:o:buffalo:whr-hp-g300n_firmware:*:*:*:*:*:*:*:*Range: <2.00
- cpe:2.3:o:buffalo:wzr-450hp-cwt_firmware:*:*:*:*:*:*:*:*Range: <2.00
- cpe:2.3:o:buffalo:wzr-450hp-ub_firmware:*:*:*:*:*:*:*:*Range: <2.00
- cpe:2.3:o:buffalo:wzr-hp-ag300h_firmware:*:*:*:*:*:*:*:*Range: <1.76
- cpe:2.3:o:buffalo:wzr-hp-g300nh_firmware:*:*:*:*:*:*:*:*Range: <1.84
- cpe:2.3:o:buffalo:wzr-hp-g301nh_firmware:*:*:*:*:*:*:*:*Range: <1.84
- cpe:2.3:o:buffalo:wzr-hp-g302h_firmware:*:*:*:*:*:*:*:*Range: <1.86
- cpe:2.3:o:buffalo:wzr-hp-g450h_firmware:*:*:*:*:*:*:*:*Range: <1.90
- Range: <=1.83
- Range: <=1.99
- Range: <=1.99
- BUFFALO INC./Buffalo broadband routersv5Range: BHR-4GRV firmware Ver.1.99 and prior, DWR-HP-G300NH firmware Ver.1.83 and prior, HW-450HP-ZWE firmware Ver.1.99 and prior, WHR-300HP firmware Ver.1.99 and prior, WHR-300 firmware Ver.1.99 and prior, WHR-G301N firmware Ver.1.86 and prior, WHR-HP-G300N firmware Ver.1.99 and prior, WHR-HP-GN firmware Ver.1.86 and prior, WPL-05G300 firmware Ver.1.87 and prior, WZR-450HP-CWT firmware Ver.1.99 and prior, WZR-450HP-UB firmware Ver.1.99 and prior, WZR-HP-AG300H firmware Ver.1.75 and prior, WZR-HP-G300NH firmware Ver.1.83 and prior, WZR-HP-G301NH firmware Ver.1.83 and prior, WZR-HP-G302H firmware Ver.1.85 and prior, WZR-HP-G450H firmware Ver.1.89 and prior, WZR-300HP firmware Ver.1.99 and prior, WZR-450HP firmware Ver.1.99 and prior, WZR-600DHP firmware Ver.1.99 and prior, WZR-D1100H firmware Ver.1.99 and prior, FS-HP-G300N firmware Ver.3.32 and prior, FS-600DHP firmware Ver.3.38 and prior, FS-R600DHP firmware Ver.3.39 and prior, and FS-G300N firmware Ver.3.13 and prior
Patches
Vulnerability mechanics
References
2- jvn.jp/en/vu/JVNVU99235714/index.htmlnvdThird Party Advisory
- www.buffalo.jp/news/detail/20210427-01.htmlnvdVendor Advisory
News mentions
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