CVE-2020-25758 Information

Description

An issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote authenticated attacker to inject arbitrary crontab entries into saved configurations before uploading. These entries are executed as root.

CVSS Vector

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

Reference

https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195 https://www.dlink.com/en/security-bulletin https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8