CVE-2021-34201

high

Description

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.

References

https://www.dlink.com/en/security-bulletin/

https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201

http://dir-2640-us.com

http://d-link.com

Details

Source: Mitre, NVD

Published: 2021-06-16

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:P

Severity: Low

CVSS v3

Base Score: 7.1

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

Severity: High

EPSS

EPSS: 0.00057