CVE-2019-10891: dlink dir-806_firmware OS Command Injection

Vulnerability summary

CVE-2019-10891 is a high (CVSS 10.0) OS Command Injection vulnerability in dlink dir-806_firmware. EPSS estimates a 19.44% chance of exploitation in the next 30 days, higher than 97.3% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 06-09-2019
   PublishedVulnerability first disclosed.
2. 09-01-2025
   Last modifiedVulnerability information updated.

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.

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.