CVE-2026-7857CWE-119CWE-120

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

High · published May 5, 2026

CVSS v4.0
8.6
EPSS
1%
Percentile
68.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
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
EPSS
0.01241 · 68.9th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-05-05T19:15Z
EPSS history
Timeline
  • 05 MAY 19:15Z
    D-Link DI-8100 CGI user_group.asp sprintf buffer overflow
    cvelistv5