D-Link Devices Vulnerable to Input Validation Flaw
CVE-2018-19989

9.8CRITICAL

Key Information:

Vendor
D-link
Status
Dir-822 Firmware
Vendor
CVE Published:
13 May 2019

Summary

An input validation vulnerability exists in the uplink parameter of the /HNAP1/SetQoSSettings message in D-Link DIR-822 devices. The vulnerable code saves the uplink input directly in the internal configuration memory without appropriate regex checks, allowing attackers to inject shell metacharacters. This can potentially lead to remote command execution by exploiting certain functions that handle this data without validation, thereby compromising the security of the device.

References

https://github.com/pr0v3rbs/CVE/tree/master/CVE-2018-1998...
x_refsource_MISC

EPSS Score

36% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.