Remote Code Execution in DIR-823 Firmware by D-Link
CVE-2025-55848

8.8HIGH

Key Information:

Vendor

D-Link
Status
DIR-823 Firmware
Vendor
CVE Published:
26 September 2025

What is CVE-2025-55848?

A vulnerability has been identified in the firmware of D-Link's DIR-823 router, where improper filtering of the http_casswd parameter in the set_cassword settings interface allows attackers to inject reverse connection commands. This exploitation can lead to remote code execution, posing significant risks to the security of the affected device and potentially the entire network it is connected to.

References

https://www.dlink.com/en/security-bulletin/
https://github.com/meigui637/iot_zone/blob/main/%E5%91%BD...

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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