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.

• CWE-787

• 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

Published

Jun 16, 2021

Last Modified

Jul 9, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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