CVE-2026-5844CWE-77CWE-78

D-Link DIR-882 HNAP1 SetNetworkSettings prog.cgi sprintf os command injection

High · published April 9, 2026

CVSS v4.0
8.6
EPSS
6%
Percentile
93.5
In the wild
Unconfirmed
What it is

A vulnerability was found in D-Link DIR-882 1.01B02. Impacted is the function sprintf of the file prog.cgi of the component HNAP1 SetNetworkSettings Handler. The manipulation of the argument IPAddress results in os command injection. The attack may be performed from remote. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

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
0.06171 · 93.5th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-04-09T04:45Z
EPSS history
Timeline
  • 09 APR 04:45Z
    D-Link DIR-882 HNAP1 SetNetworkSettings prog.cgi sprintf os command injection
    cvelistv5