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Vulnerability record · CVE-2020-15498 · published 26 August 2020

CVE-2020-15498: Asus rt-ac1900p firmware improper certificate validation vulnerability

Asus · Rt Ac1900p Firmware

An issue was discovered on ASUS RT-AC1900P routers before 3.0.0.4.385_20253. The router accepts an arbitrary server certificate for a firmware update. The culprit is the --no-check-certificate option passed to wget tool used to download firmware update files.

5.9 CVSS 3.1 Medium EPSS 0.42% · top 66.1% CWE-295 · Improper certificate validation
5.9CVSS 3.1 base score, v2 4.3
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An issue was discovered on ASUS RT-AC1900P routers before 3.0.0.4.385_20253. The router accepts an arbitrary server certificate for a firmware update. The culprit is the --no-check-certificate option passed to wget tool used to download firmware update files.

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

Affected products

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

References

LinkTags
https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=27440 Third Party Advisory
https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=27440 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-2020-15498), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.