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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.

PUBLISHED Reserved 2026-05-05 | Published 2026-05-05 | Updated 2026-05-05 | Assigner VulDB




HIGH: 8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 7.2CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.3AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Buffer Overflow

Memory Corruption

Product status

16.07.26A1
affected

Timeline

2026-05-05:Advisory disclosed
2026-05-05:VulDB entry created
2026-05-05:VulDB entry last update

Credits

draw (VulDB User) reporter

References

vuldb.com/vuln/361134 (VDB-361134 | D-Link DI-8100 CGI user_group.asp sprintf buffer overflow) vdb-entry technical-description

vuldb.com/vuln/361134/cti (VDB-361134 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/807853 (Submit #807853 | D-Link DI-8100 16.07.26A1 Denial of Service) third-party-advisory

github.com/...t/blob/main/DI-8100/user_group_asp_overflow.md exploit

www.dlink.com/ product

cve.org (CVE-2026-7857)

nvd.nist.gov (CVE-2026-7857)

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