CVE-2025-4544

A vulnerability was found in D-Link DI-8100 up to 16.07.26A1 and classified as critical. This issue affects some unknown processing of the file /ddos.asp of the component jhttpd. The manipulation of the argument def_max/def_time/def_tcp_max/def_tcp_time/def_udp_max/def_udp_time/def_icmp_max leads to stack-based buffer overflow. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult.

• CWE-119
• CWE-121
• CWE-787

• https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/Vulnerability_Report.mdExploit, Third Party Advisory
• https://vuldb.com/?ctiid.308291Permissions Required, VDB Entry
• https://vuldb.com/?id.308291Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.562695Third Party Advisory, VDB Entry
• https://www.dlink.com/Product
• https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/Vulnerability_Report.mdExploit, Third Party Advisory

Published

May 11, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• 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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