CVE-2025-9938: high-severity vulnerability in D-Link DI-8400
D-Link DI-8400 yyxz.asp yyxz_dlink_asp stack-based overflow
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 1.7%
A weakness has been identified in D-Link DI-8400 16.07.26A1. The affected element is the function yyxz_dlink_asp of the file /yyxz.asp. This manipulation of the argument ID causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be exploited.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
D-Link · DI-8400Related CVEs — D-Link DI-8400
In the same product, most dangerous first.
CVE-2025-8175HIGHD-Link DI-8400 jhttpd usb_paswd.asp null pointer dereferenceEPSS 1.8%CVE-2026-91001CRITICALD-Link DI-8400 DDNS Configuration ddns.asp ddns_asp stack-based overflowEPSS 0.9%CVE-2026-101081CRITICALD-Link DI-8400 Web Administration Service menu_nat_more.asp menu_nat_more_asp stack-based overflowEPSS 0.5%CVE-2026-10206HIGHD-Link DI-8400 dbsrv.asp stack-based overflowEPSS 0.5%