// For flags

CVE-2021-34201

 

Severity Score

7.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

D-Link DIR-2640-US 1.01B04 is vulnerable to Buffer Overflow. There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640). Local ordinary users can overwrite the global variables in the .bss section, causing the process crashes or changes.

D-Link DIR-2640-US versión 1.01B04 es vulnerable al Desbordamiento del Búfer. Se presentan múltiples vulnerabilidades de desbordamiento de búfer en algunos procesos de D-Link AC2600(DIR-2640). Los usuarios locales ordinarios pueden sobrescribir las variables globales en la sección .bss, causando el bloqueo del proceso o cambios

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Partial
* 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
  • 2023-09-08 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
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