CVE-2021-34202

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640) 1.01B04. Ordinary permissions can be elevated to administrator permissions, resulting in local arbitrary code execution. An attacker can combine other vulnerabilities to further achieve the purpose of remote code execution.

Se presentan múltiples vulnerabilidades fuera de límites en algunos procesos de D-Link AC2600(DIR-2640) versión 1.01B04. Los permisos ordinarios pueden ser elevados a permisos de administrador, resultando en una ejecución de código arbitrario local. Un atacante puede combinar otras vulnerabilidades para lograr aun más el propósito de una ejecución de código remota

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-07 CVE Reserved
2021-06-16 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-787: Out-of-bounds Write

CAPEC

References (4)

URL	Tag	Source
http://dir-2640-us.com	Broken Link

URL	Date	SRC
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34202	2024-08-04

URL	Date	SRC

URL	Date	SRC
http://d-link.com	2024-02-14
https://www.dlink.com/en/security-bulletin	2024-02-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dlink Search vendor "Dlink"	Dir-2640-us Firmware Search vendor "Dlink" for product "Dir-2640-us Firmware"	1.01b04 Search vendor "Dlink" for product "Dir-2640-us Firmware" and version "1.01b04"	-	Affected	in	Dlink Search vendor "Dlink"	Dir-2640-us Search vendor "Dlink" for product "Dir-2640-us"	-	-	Safe