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.

Score

CVSS 3.1 7.1 High

Status

Modified - cve@mitre.org

Published

2021-06-16

Last modified

2026-07-09

Weaknesses

CWE-787

Affected products

• Dir-2640-us Firmware (Dlink)

References

• https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201
• https://www.dlink.com/en/security-bulletin/