Critical severity · published Apr 28, 2026
CVE-2026-7248
D-Link DI-8100 CGI Endpoint tgfile.htm tgfile_htm buffer overflow
9.4
CVSS
2.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DI-8100 · D-Link
16.07.26A1 · source: vendor
DF
Di-8100 Firmware · Dlink
16.07.26a1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7248
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7248
Exploit
https://github.com/draw-ctf/report/blob/main/DI-8100/DI-8100_tgfile_htm_overflow.md
Third Party Advisory
https://vuldb.com/submit/802869
Third Party Advisory
https://vuldb.com/vuln/359857
Permissions Required
https://vuldb.com/vuln/359857/cti
Product
https://www.dlink.com/
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