Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-3511

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
28/04/2021
Last modified:
12/07/2022

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.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
4.30
Severity 3.x
MEDIUM
Vector 2.0
AV:A/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.30 LOW
Vector: AV:A/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
3.30
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:buffalo:bhr-4grv_firmware:*:*:*:*:*:*:*:* 2.00 (excluding)
cpe:2.3:h:buffalo:bhr-4grv:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:dwr-hp-g300nh_firmware:*:*:*:*:*:*:*:* 1.84 (excluding)
cpe:2.3:h:buffalo:dwr-hp-g300nh:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:hw-450hp-zwe_firmware:*:*:*:*:*:*:*:* 2.00 (excluding)
cpe:2.3:h:buffalo:hw-450hp-zwe:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:whr-300hp_firmware:*:*:*:*:*:*:*:* 2.00 (excluding)
cpe:2.3:h:buffalo:whr-300hp:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:whr-300_firmware:*:*:*:*:*:*:*:* 2.00 (excluding)
cpe:2.3:h:buffalo:whr-300:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:whr-g301n_firmware:*:*:*:*:*:*:*:* 1.87 (excluding)
cpe:2.3:h:buffalo:whr-g301n:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:whr-hp-g300n_firmware:*:*:*:*:*:*:*:* 2.00 (excluding)
cpe:2.3:h:buffalo:whr-hp-g300n:-:*:*:*:*:*:*:*
cpe:2.3:o:buffalo:whr-hp-gn_firmware:*:*:*:*:*:*:*:* 1.87 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools