CVE-2026-7851

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

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.

Affected

D-Link · DI-8100

CVSS v4.0 VULDB

7.3 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

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

CVSS v2.0 VULDB

8.3 HIGHAV:N/AC:L/Au:M/C:C/I:C/A:C

EPSS

1.24% chance of exploitation in the next 30 days, 69th percentile

Published

2026-05-05

Updated

2026-05-06

Proof-of-concept exploits (1)

• draw-ctf/report/blob/main/DI-8100/yyxz_dlink_asp_overflow.md0★ · 2026-09-14

Security advisories

• https://vuldb.com/submit/807798
• https://vuldb.com/vuln/361128
• https://www.dlink.com

References

• CVE Record
• NVD entry

Related

• CVE-2026-108906
• CVE-2026-108907
• CVE-2026-108908
• CVE-2026-108931
• CVE-2026-7247
• CVE-2026-7248