Auth bypass in Dlink Dir-816l

CVE-2020-15894

An issue was discovered on D-Link DIR-816L devices 2.x before 1.10b04Beta02. There exists an exposed administration function in getcfg.php, which can be used to call various services. It can be utilized by an attacker to retrieve various sensitive information, such as admin login credentials, by setting the value of _POST_SERVICES in the query string to DEVICE.ACCOUNT.

Vulnerability class: Broken Authentication

EPSS: 0.017 (74.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-15894?
CVE-2020-15894 is a high-severity vulnerability in Dlink Dir-816l, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2020-07-22.
How severe is CVE-2020-15894?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-15894 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.