CVE-2026-7248: D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow

Severity: critical (CVSS 9.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-28 · updated 2026-10-26
Weakness: CWE-119

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.

Affected products

D-Link DI-8100: 16.07.26a1

References

https://github.com/draw-ctf/report/blob/main/DI-8100/DI-8100_tgfile_htm_overflow.md
https://vuldb.com/submit/802869
https://vuldb.com/vuln/359857
https://vuldb.com/vuln/359857/cti
https://www.dlink.com/

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