CVE-2026-5844 HIGH

CVE-2026-5844: D-Link DIR-882 HNAP1 SetNetworkSettings prog.cgi sprintf os command injection

Vendor D-Link
Product DIR-882
Weakness CWE-78
Published April 9, 2026
Last update April 9, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality —
Integrity —

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 9, 2026 CVE published
April 9, 2026 Record updated