CVEvulnerability

CVE-2021-3511

4.3 MEDIUM Published 2021-04-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-04-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0 ([email protected])
3.3 LOW — AV:A/AC:L/Au:N/C:P/I:N/A:N

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.

Affected configurations

• buffalo bhr-4grv firmware (< 2.00) • buffalo dwr-hp-g300nh firmware (< 1.84) • buffalo hw-450hp-zwe firmware (< 2.00) • buffalo whr-300hp firmware (< 2.00) • buffalo whr-300 firmware (< 2.00) • buffalo whr-g301n firmware (< 1.87) • buffalo whr-hp-g300n firmware (< 2.00) • buffalo whr-hp-gn firmware (< 1.87) • buffalo wpl-05g300 firmware (< 1.88) • buffalo wzr-450hp-cwt firmware (< 2.00) • buffalo wzr-450hp-ub firmware (< 2.00) • buffalo wzr-hp-ag300h firmware (< 1.76) • buffalo wzr-hp-g300nh firmware (< 1.84) • buffalo wzr-hp-g301nh firmware (< 1.84) • buffalo wzr-hp-g302h firmware (< 1.86) • buffalo wzr-hp-g450h firmware (< 1.90) • buffalo wzr-300hp firmware (< 2.00) • buffalo wzr-450hp firmware (< 2.00) • buffalo wzr-600dhp firmware (< 2.00) • buffalo wzr-d1100h firmware (< 2.00) • buffalo fs-hp-g300n firmware (< 3.33) • buffalo fs-600dhp firmware (< 3.40) • buffalo fs-r600dhp firmware (< 3.40) • buffalo fs-g300n firmware (< 3.14)

References