Vulnerability · Published May 11, 2025 · Assigned by VulDB

CVE-2025-4544D-Link DI-8100 jhttpd ddos.asp stack-based overflow

Medium 6.6

In plain English

A medium-severity stack buffer overflow in DI-8100 from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 11.8% (higher than 96% of all known vulnerabilities).

Severity (CVSS 3.1)6.6Medium

Exploit odds (30 days)11.8%top 3.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DI-8100	16.07.26A1

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

References

VDB-308291 | D-Link DI-8100 jhttpd ddos.asp stack-based overflow vdb-entry, technical-description
VDB-308291 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #562695 | D-Link DI-8100 DI-8100-16.07.26A1 Stack-based Buffer Overflow third-party-advisory
https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/Vulnerability_Report.md related
https://www.dlink.com/ product