CVE-2020-26567

Name: CVE-2020-26567
Creator: NVD / NIST
Published: 2020-10-08T13:15:11.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 17.18%

Last modified Jun 17, 2026

CVE-2020-26567 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered on D-Link DSR-250N before 3.17B devices. The CGI script upgradeStatusReboot.cgi can be accessed without authentication. EPSS estimates a 17.18% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

17.18%

96.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Dlink	Dsr-250n Firmware	< 3.17b

References

http://packetstormsecurity.com/files/159516/D-Link-DSR-250N-Denial-Of-Service.htmlExploit, Mitigation, Patch, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/Oct/14Exploit, Mailing List, Mitigation, Patch, Third Party Advisory
https://www.redteam-pentesting.de/advisories/rt-sa-2020-002Exploit, Mitigation, Patch, Third Party Advisory
http://packetstormsecurity.com/files/159516/D-Link-DSR-250N-Denial-Of-Service.htmlExploit, Mitigation, Patch, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2020/Oct/14Exploit, Mailing List, Mitigation, Patch, Third Party Advisory
https://www.redteam-pentesting.de/advisories/rt-sa-2020-002Exploit, Mitigation, Patch, Third Party Advisory

Timeline

Published: Oct 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26567?

How severe is CVE-2020-26567?

CVE-2020-26567 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 17.18% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26567?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26567?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST