CVE-2019-10891
CRITICAL EXPLOITEDD-Link DIR-806 Firmware - OS Command Injection via HNAP HTTP Header
Title source: llmExploitation Summary
CVE-2019-10891 has been observed exploited in the wild (reported by VulnCheck KEV).
Description
An issue was discovered in D-Link DIR-806 devices. There is a command injection in function hnap_main, which calls system() without checking the parameter that can be controlled by user, and finally allows remote attackers to execute arbitrary shell commands with a special HTTP header.
References (2)
Core 2
Core References
Various Sources
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10282
Exploit, Third Party Advisory
https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Code_Injection.md
Scores
CVSS v3
9.8
EPSS
0.4998
EPSS Percentile
97.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
VulnCheck KEV
2023-02-01
CWE
CWE-78
Status
published
Products (1)
dlink/dir-806_firmware
Published
Sep 06, 2019
Tracked Since
Feb 18, 2026