CVE-2018-20305: Buffer Overflow

Published Dec 20, 2018
·
Updated

D-Link DIR-816 A2 1.10 B05 devices allow arbitrary remote code execution without authentication via the newpass parameter. In the /goform/form2userconfig.cgi handler function, a long password may lead to a stack-based buffer overflow and overwrite a return address.

Affected Software

2 affected components
D-Link Dir-816 A2 Firmware=1.10b05
Dlink Dir-816 A2

Event History

Dec 20, 2018
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID for this D-Link DIR-816 A2 firmware vulnerability?

The vulnerability ID for this D-Link DIR-816 A2 firmware vulnerability is CVE-2018-20305.

2

What is the severity level of CVE-2018-20305?

The severity level of CVE-2018-20305 is critical with a score of 9.8.

3

How does this vulnerability allow remote code execution?

This vulnerability allows arbitrary remote code execution without authentication via the newpass parameter in the /goform/form2userconfig.cgi handler function.

4

How can an attacker exploit this vulnerability?

An attacker can exploit this vulnerability by sending a long password that triggers a stack-based buffer overflow and overwrites a return address.

5

Is there a fix available for CVE-2018-20305?

Currently, there is no information available regarding a fix for CVE-2018-20305. It is recommended to follow the vendor's security advisories for any updates.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203