CVE-2026-7248 D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow
Remote attackers can trigger a buffer overflow in the D-Link DI-8100 router's CGI endpoint, potentially leading to code execution or service disruption.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-7248?
CVE-2026-7248 is a critical memory corruption vulnerability in D-Link DI-8100, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
Which versions are affected by CVE-2026-7248?
It affects 1 product.
Products include Dlink Di-8100 Firmware.
How do I fix CVE-2026-7248?
No fix has been published for CVE-2026-7248 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-7248 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7248 exists.
Other vulnerabilities in D-Link DI-8100
- CVE-2025-44083 Auth bypass in n/a
- CVE-2026-7853 D-Link DI-8100 HTTP auto_reboot.asp sprintf buffer overflow
- CVE-2026-7854 D-Link DI-8100 POST Parameter url_rule.asp url_rule_asp buffer overflow
- CVE-2026-7855 D-Link DI-8100 HTTP Request tggl.asp tggl_asp buffer overflow
- CVE-2025-7908 D-Link DI-8100 jhttpd ddns.asp sprintf stack-based overflow
Sources
Also known as GHSA-gqrj-9m4w-f8pm.