CVE-2026-7857

HIGH

D-Link DI-8100 CGI user_group.asp sprintf buffer overflow

Title source: cna

Description

A vulnerability has been found in D-Link DI-8100 16.07.26A1. This vulnerability affects the function sprintf of the file /user_group.asp of the component CGI Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

References (5)

Core 5

Core References

Vdb Entry, Technical Description vdb-entry technical-description

VDB-361134 | D-Link DI-8100 CGI user_group.asp sprintf buffer overflow

https://vuldb.com/vuln/361134

Signature, Permissions Required signature permissions-required

VDB-361134 | CTI Indicators (IOB, IOC, IOA)

https://vuldb.com/vuln/361134/cti

Third Party Advisory third-party-advisory

Submit #807853 | D-Link DI-8100 16.07.26A1 Denial of Service

https://vuldb.com/submit/807853

Exploit exploit

https://github.com/draw-ctf/report/blob/main/DI-8100/user_group_asp_overflow.md

View Exploit ZIP pw:eip

Product product

https://www.dlink.com/

Scores

CVSS v3 7.2

EPSS 0.0004

EPSS Percentile 13.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-119 CWE-120

Status published

Products (2)

D-Link/DI-8100 16.07.26A1

dlink/di-8100_firmware 16.07.26a1

Published May 05, 2026

Tracked Since May 06, 2026