CVE-2020-8423

CVSS V2 High 9 CVSS V3 High 7.2

Description

A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.

Overview

CVE ID
CVE-2020-8423

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-04-02T17:15:14

Last Modified Date
2020-04-06T19:41:19

Weakness Enumerations

CWE	URL
CWE-120	http://cwe.mitre.org/data/definitions/120.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:o:tp-link:tl-wr841n_firmware:3.16.9:::::::*	1	OR
cpe:2.3:h:tp-link:tl-wr841n:v10:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:S/C:C/I:C/A:C

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
SINGLE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
9

Severity
HIGH

Exploitability Score
8

Impact Score
10

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
HIGH

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.2

Base Severity
HIGH

Exploitability Score
1.2

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.tp-link.com/us/security	Vendor Advisory
https://ktln2.org/2020/03/29/exploiting-mips-router/	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-8423
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8423

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:45:25				Added to TrackCVE
2022-12-04 13:52:19	2020-04-02T17:15Z	2020-04-02T17:15:14	CVE Published Date	updated
2022-12-04 13:52:19		2020-04-06T19:41:19	CVE Modified Date	updated
2022-12-04 13:52:19		Analyzed	Vulnerability Status	updated