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Vulnerability record · CVE-2018-8877 · published 27 February 2020

CVE-2018-8877: Asus firmware information exposure vulnerability

Asus · Asus Firmware

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 new_lan_ip variable on the error_page.htm page.

5.3 CVSS 3.1 Medium EPSS 1.5% · top 27.2% CWE-200 · Information exposure
5.3CVSS 3.1 base score, v2 5.0
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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 new_lan_ip variable on the error_page.htm page.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/outofhere/Research/blob/master/2018/Asus/cve_notes.md Third Party Advisory
https://github.com/outofhere/Research/blob/master/2018/Asus/cve_notes.md Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-8877), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.