Remote Code Execution Vulnerability in D-Link DSR-250 Devices
CVE-2020-25758

8.8HIGH

Key Information:

Vendor
D-Link
Status
Dsr-150 Firmware
Vendor
CVE Published:
15 December 2020

Summary

A vulnerability exists in D-Link DSR-250 version 3.17 due to improper validation of configuration file checksums. This flaw enables a remote authenticated attacker to manipulate saved configurations by injecting arbitrary crontab entries. Once executed, these entries run with root privileges, potentially compromising the device and the network it is connected to. Immediate action is recommended to mitigate risks associated with this vulnerability.

References

https://www.dlink.com/en/security-bulletin
x_refsource_MISC
https://supportannouncement.us.dlink.com/announcement/pub...
x_refsource_MISC
https://www.digitaldefense.com/news/zero-day-vuln-d-link-...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.