Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dsr-150 Firmware | <= 3.17 |
| Dlink | Dsr-150 | - |
| Dlink | Dsr-150N Firmware | <= 3.17 |
| Dlink | Dsr-150N | - |
| Dlink | Dsr-250 Firmware | <= 3.17 |
| Dlink | Dsr-250 | - |
| Dlink | Dsr-250N Firmware | <= 3.17 |
| Dlink | Dsr-250N | - |
| Dlink | Dsr-500 Firmware | <= 3.17 |
| Dlink | Dsr-500 | - |
| Dlink | Dsr-500N Firmware | All versions |
| Dlink | Dsr-500N | - |
| Dlink | Dsr-500Ac Firmware | <= 3.17 |
| Dlink | Dsr-500Ac | - |
| Dlink | Dsr-1000 Firmware | <= 3.17 |
| Dlink | Dsr-1000 | - |
| Dlink | Dsr-1000N Firmware | <= 3.17 |
| Dlink | Dsr-1000N | - |
| Dlink | Dsr-1000Ac Firmware | <= 3.17 |
| Dlink | Dsr-1000Ac | - |
Related Weaknesses (CWE)
References
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/Third Party Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP1Vendor Advisory
- https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/Third Party Advisory
- https://www.dlink.com/en/security-bulletinVendor Advisory
FAQ
What is CVE-2020-25758?
CVE-2020-25758 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 sa...
How severe is CVE-2020-25758?
CVE-2020-25758 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-25758?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dsr-150 Firmware, Dlink Dsr-150, Dlink Dsr-150N Firmware, Dlink Dsr-150N, Dlink Dsr-250 Firmware.