What is CVE-2020-26567?

CVE-2020-26567 is a medium-severity vulnerability in Dlink Dsr-250n, classified under Missing Authentication for Critical Function. CVSS score: 5.5/10. Published 2020-10-08.

How severe is CVE-2020-26567?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2020-26567 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Dlink Dsr-250n

CVE-2020-26567

An issue was discovered on D-Link DSR-250N before 3.17B devices. The CGI script upgradeStatusReboot.cgi can be accessed without authentication. Any access reboots the device, rendering it therefore unusable for several minutes.

Vulnerability class: Broken Authentication

EPSS: 0.172 (96.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Mitigation)
cve@mitre.org (Exploit, Patch, Mailing List, Third Party Advisory, x_refsource_MISC, Mitigation)
cve@mitre.org (Exploit, Patch, VDB Entry, Third Party Advisory, x_refsource_MISC, Mitigation)

Frequently asked questions

What is CVE-2020-26567?: CVE-2020-26567 is a medium-severity vulnerability in Dlink Dsr-250n, classified under Missing Authentication for Critical Function. CVSS score: 5.5/10. Published 2020-10-08.
How severe is CVE-2020-26567?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-26567 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.