CVE-2018-8877: Infoleak

Published Feb 27, 2020
·
Updated

Information disclosure in Asuswrt-Merlin firmware for ASUS devices older than 384.4 and ASUS firmware before 3.0.0.4.382.50470 for devices allows remote attackers to acquire information on internal network IP address ranges by reading the newlanip variable on the errorpage.htm page.

Affected Software

2 affected components
ASUS ASUS firmware<3.0.0.4.382.50470
Asuswrt-Merlin Asuswrt-Merlin<384.4

Event History

Feb 27, 2020
CVE Published
via MITRE·09:11 PM
Data Sourced
via MITRE·09:11 PM
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 CVE-2018-8877?

CVE-2018-8877 is a vulnerability in the Asuswrt-Merlin firmware for ASUS devices older than 384.4 and ASUS firmware before 3.0.0.4.382.50470 that allows remote attackers to acquire information on internal network IP address ranges.

2

How severe is CVE-2018-8877?

CVE-2018-8877 has a severity rating of 5.3 (medium).

3

How can remote attackers exploit CVE-2018-8877?

Remote attackers can exploit CVE-2018-8877 by reading the new_lan_ip variable on the error_page.htm page to acquire information on internal network IP address ranges.

4

Which ASUS devices are affected by CVE-2018-8877?

ASUS devices older than 384.4 and ASUS firmware before 3.0.0.4.382.50470 are affected by CVE-2018-8877.

5

Is there a fix for CVE-2018-8877?

Yes, upgrading to Asuswrt-Merlin firmware version 384.4 or higher, or ASUS firmware version 3.0.0.4.382.50470 or higher, will fix CVE-2018-8877.

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
CVE-2018-8877 - Infoleak - SecAlerts