D-Link DI-8100 up to 16.07.26A1 jhttpd /ddos.asp stack-based overflow

Summaryinfo

A vulnerability marked as critical has been reported in D-Link DI-8100 up to 16.07.26A1. Impacted is an unknown function 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 overflow. This vulnerability is documented as CVE-2025-4544. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in D-Link DI-8100 up to 16.07.26A1 and classified as critical. This issue affects an unknown code 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 with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-4544. The exploitation is known to be difficult. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/11/2025).

By approaching the search of inurl:ddos.asp it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• D-Link

Name

• DI-8100

Version

• 16.07.26A1

License

• commercial

Website

• Vendor: https://www.dlink.com/

CPE 2.3info

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CPE 2.2info

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Accepted

• Submit #562695: D-Link DI-8100 DI-8100-16.07.26A1 Stack-based Buffer Overflow (by huan)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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