Command Injection Vulnerability in D-Link DIR-823X Router
CVE-2025-10123

6.9MEDIUM

Key Information:

Vendor

D-link
Status
Dir-823x
Vendor
CVE Published:
9 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10123?

A command injection vulnerability exists in the D-Link DIR-823X router affecting versions up to 250416. This vulnerability is associated with the function sub_415028 in the /goform/set_static_leases file. An attacker can exploit this flaw by manipulating the Hostname argument, allowing for unauthorized command execution. Given that the attack can be initiated remotely, it poses a significant risk to network security, as it can be leveraged to execute arbitrary commands on the device. The exploit details have been publicly disclosed, raising concerns for users who have yet to secure their devices against this vulnerability.

Affected Version(s)

DIR-823X 250416

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-10123 - Proof of Concept

References

https://vuldb.com/?id.323093
vdb-entrytechnical-description
https://vuldb.com/?ctiid.323093
signaturepermissions-required
https://vuldb.com/?submit.645712
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

QMSSDXN (VulDB User)
.
CVE-2025-10123 : Command Injection Vulnerability in D-Link DIR-823X Router