CVE-2021-34201

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-34201
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.

7.1 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.2

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

3.6 /10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:L/AC:L/Au:N/C:N/I:P/A:P

Exploitability : 3.9 / Impact : 4.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
http://d-link.com Product
http://dir-2640-us.com Product URL Repurposed
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201 Exploit Third Party Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory
http://d-link.com Product
http://dir-2640-us.com Product URL Repurposed
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201 Exploit Third Party Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:dlink:dir-2640-us_firmware:1.01b04:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-2640-us:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:10

Type Values Removed Values Added
References () http://d-link.com - Product () http://d-link.com - Product
References () http://dir-2640-us.com - Product, URL Repurposed () http://dir-2640-us.com - Product, URL Repurposed
References () https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201 - Exploit, Third Party Advisory () https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201 - Exploit, Third Party Advisory
References () https://www.dlink.com/en/security-bulletin/ - Vendor Advisory () https://www.dlink.com/en/security-bulletin/ - Vendor Advisory

14 Feb 2024, 01:17

Type Values Removed Values Added
References () http://dir-2640-us.com - Product () http://dir-2640-us.com - Product, URL Repurposed

24 Jun 2021, 15:39

Type Values Removed Values Added
CWE CWE-787
CPE cpe:2.3:o:dlink:dir-2640-us_firmware:1.01b04:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dir-2640-us:-:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 3.6
v3 : 7.1
References (MISC) https://www.dlink.com/en/security-bulletin/ - (MISC) https://www.dlink.com/en/security-bulletin/ - Vendor Advisory
References (MISC) https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201 - (MISC) https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201 - Exploit, Third Party Advisory
References (MISC) http://dir-2640-us.com - (MISC) http://dir-2640-us.com - Product
References (MISC) http://d-link.com - (MISC) http://d-link.com - Product

16 Jun 2021, 21:01

Type Values Removed Values Added
New CVE
Information

Published : 2021-06-16 20:15

Updated : 2024-11-21 06:10

NVD link : CVE-2021-34201

Mitre link : CVE-2021-34201

CVE.ORG link : CVE-2021-34201

JSON object : View

Products Affected

dlink

  • dir-2640-us_firmware
  • dir-2640-us
CWE
CWE-787

Out-of-bounds Write