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CVE-2026-5844

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

Published: Apr 9, 2026Updated: Apr 30, 2026 Sources: CVE List NVD BDUCWE-77
NVD MITRE
7.2CVSSHIGH
EPSS Score
5.1%
Top 8.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-77CWE-78

Affected Products

dir-882 firmwaredlinkNetworking Infrastructure
DIR-882D-LinkNetworking Infrastructure
DIR-882D-Link Corp.Networking Infrastructure
dlinkcommercialTWNetworking Infrastructure
d-linkcommercialTWNetworking Infrastructure
d-link corp.commercialTWNetworking Infrastructureaka d-link corporation, d-link international

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://files.catbox.moe/ei31k1.zip
files.catbox.moe
https://vuldb.com/submit/790290
vuldb.com
https://vuldb.com/vuln/356329
vuldb.com
and 6 more references View all →

Timeline

Published
Apr 9, 2026
Last Updated
Apr 30, 2026

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