CVE-2020-9544

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue was discovered on D-Link DSL-2640B E1 EU_1.01 devices. The administrative interface doesn't perform authentication checks for a firmware-update POST request. Any attacker that can access the administrative interface can install firmware of their choice.

Se detectó un problema en los dispositivos D-Link DSL-2640B E1 versión EU_1.01. La interfaz administrativa no realiza comprobaciones de autenticación para una petición POST de actualización de firmware. Cualquier atacante que pueda acceder a la interfaz administrativa puede instalar el firmware de su elección.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-03-02 CVE Reserved
2020-03-05 CVE Published
2023-03-07 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-306: Missing Authentication for Critical Function

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://ktln2.org/2020/03/05/cve-2020-9544	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://www.dlink.com/en/security-bulletin	2021-07-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
D-link Search vendor "D-link"	Dsl-2640b Firmware Search vendor "D-link" for product "Dsl-2640b Firmware"	e1_eu_1.01 Search vendor "D-link" for product "Dsl-2640b Firmware" and version "e1_eu_1.01"	-	Affected	in	D-link Search vendor "D-link"	Dsl-2640b Search vendor "D-link" for product "Dsl-2640b"	-	-	Safe