Command Injection Vulnerability in D-Link DIR-823X Products
CVE-2026-1125

6.9MEDIUM

Key Information:

Vendor

D-link
Status
Dir-823x
Vendor
CVE Published:
18 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1125?

A vulnerability has been detected in the D-Link DIR-823X, specifically within the function sub_412E7C of the /goform/set_wifidog_settings file. By manipulating the wd_enable argument, an attacker is able to execute commands remotely, leading to potential unauthorized control of the device. Published exploits pose a significant risk, emphasizing the importance of immediate mitigation for affected users.

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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-2026-1125 - Proof of Concept

References

https://vuldb.com/?id.341717
vdb-entrytechnical-description
https://vuldb.com/?ctiid.341717
signaturepermissions-required
https://vuldb.com/?submit.734966
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

Yun Zhang (VulDB User)
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