What is CVE-2025-4544?

CVE-2025-4544 is a medium-severity vulnerability in D-link Di-8100, classified under Stack-based Buffer Overflow. CVSS score: 6.6/10. Published 2025-05-11.

How severe is CVE-2025-4544?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Buffer overflow in D-link Di-8100

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_ma…

Vulnerability class: Buffer Overflow

EPSS: 0.013 (79.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

D-link Di-8100 — versions 16.07.26A1

Weakness classification (CWE)

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)
github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/Vulnerability_Rep… (related)
www.dlink.com/ (product)

Frequently asked questions

What is CVE-2025-4544?: CVE-2025-4544 is a medium-severity vulnerability in D-link Di-8100, classified under Stack-based Buffer Overflow. CVSS score: 6.6/10. Published 2025-05-11.
How severe is CVE-2025-4544?: Medium severity. CVSS v3 base score is 6.6 out of 10.