CVE-2019-10891

9.8 criticalEPSS 19%

Critical (9.8) in dlink dir-806 firmware. EPSS 19% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 19% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2019-09-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dlink:dir-806_firmware

References

https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Code_Injection.md
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10282
https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Code_Injection.md

Check your stack JSON