D-Link E15, M32, R15 and R32 MQTT Broker Vulnerability Exposes Hard-Coded Credentials
CVE-2026-112146

5.3MEDIUM

Key Information:

Vendor

D-link
Status
E15
M32
R15
R32
Vendor
CVE Published:
19 October 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-112146?

A vulnerability has been identified in D-Link E15, M32, R15, and R32 devices, specifically affecting the MQTT Broker component. This issue arises from the processing of the file /etc/emDaemon/passwd, leading to the presence of hard-coded credentials. The vulnerability enables attackers to exploit it remotely, posing significant risks to device security. As the exploit is now publicly accessible, immediate action is recommended to mitigate the risks associated with this issue.

Affected Version(s)

E15

M32

R15

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-2026-112146 - Proof of Concept

References

https://vuldb.com/vuln/422251
vdb-entry
https://vuldb.com/vuln/422251/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-112146
third-party-advisory

CVSS V4

Score:
5.3
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

XueDugu (VulDB User)
.