Command Injection Vulnerability in D-Link DWR-M920 Router
CVE-2026-10878

5.3MEDIUM

Key Information:

Vendor

D-link
Status
Dwr-m920
Vendor
CVE Published:
5 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-10878?

A command injection vulnerability has been identified in D-Link's DWR-M920 router series, specifically within the sub_41C8E8 function located in the /boafrm/formSmsManage file. By manipulating the action_value parameter, an attacker can execute arbitrary commands remotely. This exploit is now publicly accessible, posing significant security risks to users of the affected firmware versions (1.1.50 and 1.1.70). It is crucial for users to assess their exposure and apply necessary mitigations.

Affected Version(s)

DWR-M920 1.1.50

DWR-M920 1.1.70

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-2026-10878 - Proof of Concept

References

https://vuldb.com/vuln/368368
vdb-entrytechnical-description
https://vuldb.com/vuln/368368/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10878
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

kkff33 (VulDB User)
.