Command Injection Vulnerability in D-Link DIR-823G Devices
CVE-2020-25368

9.8CRITICAL

Key Information:

Vendor
D-Link
Status
Dir-823g Firmware
Vendor
CVE Published:
4 November 2021

Summary

A command injection vulnerability exists in the HNAP1 protocol of D-Link DIR-823G devices with firmware version V1.0.2B05. This flaw allows attackers to execute arbitrary web scripts by exploiting shell metacharacters within the PrivateLogin field during the login process. Successful exploitation can lead to unauthorized access and control over the device, posing a significant risk to network security. It is essential for users of affected devices to update their firmware and secure their configurations to mitigate this vulnerability.

References

http://d-link.com
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https://www.dlink.com/en/security-bulletin/
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https://github.com/sek1th/iot/blob/master/dir-823g_2.md
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EPSS Score

9% 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

.