What’s Vulnerable › Vulnerabilities

CVE-2019-10892

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-09-06 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Dlink Dir-806 Firmware: 1.0

References

• https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Stack_Overflow_to_Run_Shellcode.md
• https://github.com/Kirin-say/Vulnerabilities/blob/master/DIR-806_Stack_Overflow_to_Run_Shellcode.md

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