CVE-2026-7851

D-Link DI-8100 yyxz.asp sprintf stack-based overflow

Published May 5, 2026 CVSS 4.0 · 8.6 High EPSS 4.1% KEV · Not listed
Description
A vulnerability was identified in D-Link DI-8100 16.07.26A1. This affects the function sprintf of the file yyxz.asp. The manipulation of the argument ID leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Dlink
Dlink di-8100
Dlink di-8100 Firmware
CPEs cpe:2.3:h:dlink:di-8100:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:di-8100_firmware:16.07.26a1:*:*:*:*:*:*:*
Vendors & Products Dlink
Dlink di-8100
Dlink di-8100 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared D-link
D-link di-8100
Vendors & Products D-link
D-link di-8100
Type Values Removed Values Added
Description A vulnerability was identified in D-Link DI-8100 16.07.26A1. This affects the function sprintf of the file yyxz.asp. The manipulation of the argument ID leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.
Title D-Link DI-8100 yyxz.asp sprintf stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 8.3, 'vector': 'AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.2, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS: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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
May 6, 2026, 12:45 PM
Reserved
May 5, 2026, 11:17 AM
Status
Analyzed
Published
May 5, 2026, 6:16 PM
Modified
Jul 20, 2026, 8:10 PM