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

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2020-28877

Severity CVSS v4.0:
Pending analysis
Type:
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Publication date:
20/11/2020
Last modified:
03/12/2020

Description

Buffer overflow in in the copy_msg_element function for the devDiscoverHandle server in the TP-Link WR and WDR series, including WDR7400, WDR7500, WDR7660, WDR7800, WDR8400, WDR8500, WDR8600, WDR8620, WDR8640, WDR8660, WR880N, WR886N, WR890N, WR890N, WR882N, and WR708N.

Impact

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:tp-link:wdr7400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:wdr7400:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:wdr7500_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:wdr7500:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:wdr7660_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:wdr7660:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:wdr7800_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:wdr7800:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:wdr8400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:wdr8400:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:wdr8500_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:wdr8500:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:wdr8600_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:tp-link:wdr8600:-:*:*:*:*:*:*:*
cpe:2.3:o:tp-link:wdr8620_firmware:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools