CVE-2025-4544: di-8100 Buffer Overflow — Exploit

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.

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CVSS v3.1 Score

6.6

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
dlink	di-8100_firmware	< 16.07.26a1
dlink	di-8100	All

References

Exploits

https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/Vulnerability_Report.md https://github.com/Yhuanhuan01/DI-8100_Vulnerability_Report/blob/main/Vulnerability_Report.md

Other References

https://vuldb.com/?ctiid.308291 https://vuldb.com/?id.308291 https://vuldb.com/?submit.562695 https://www.dlink.com/

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 6.6 (MEDIUM).

How severe is CVE-2025-4544? +

CVE-2025-4544 has a CVSS v3.1 score of 6.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-4544? +

CVE-2025-4544 affects products from dlink, specifically: di-8100, di-8100_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-4544? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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