CVE-2021-34201

HighCVSS 7.1/10Last modified Jul 9, 2026

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.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201Exploit, Third Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34201Exploit, Third Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

Timeline

Published: Jun 16, 2021
Last modified: Jul 9, 2026
NVD status: Modified

Related CVEs from 2021

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