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

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 11.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-05-11 · updated 2026-06-17
Weakness: CWE-119

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

D-Link DI-8100: through 16.07.26a1

References

https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/Vulnerability_Report.md
https://vuldb.com/?ctiid.308291
https://vuldb.com/?id.308291
https://vuldb.com/?submit.562695
https://www.dlink.com/
https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/Vulnerability_Report.md

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