Critical severity · published Sep 6, 2019
CVE-2019-10892
An issue was discovered in D-Link DIR-806 devices
9.8
CVSS
2.3%
EPSS
No
On KEV
Description
An issue was discovered in D-Link DIR-806 devices. There is a stack-based buffer overflow in function hnap_main at /htdocs/cgibin. The function will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users. And it finally leads to a stack-based buffer overflow via a special HTTP header.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dir-806 Firmware · Dlink
1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-10892
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-10892
Exploit
https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Stack_Overflow_to_Run_Shellcode.md
More from Dir-806 Firmware
9.8
CVE-2025-4340
A vulnerability classified as critical has been found in D-Link DIR-890L and DIR-806A1 up to 100CNb11/108B03
9.8
CVE-2023-43130
D-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command injection
9.8
CVE-2023-43129
D-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command injection due to lax filtering of REMOTE_PORT parameters
9.8
CVE-2023-43128
D-LINK DIR-806 1200M11AC wireless router DIR806A1_FW100CNb11 is vulnerable to command injection due to lax filtering of HTTP_ST parameters
9.8
CVE-2019-10891
An issue was discovered in D-Link DIR-806 devices
