D-Link DIR-816 A2 Web Interface setDeviceSettings os command injection
CVE-2024-0921

9.8CRITICAL

Key Information:

Vendor

D-Link
Status
DIR-816 A2
Vendor
CVE Published:
26 January 2024

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 17%

What is CVE-2024-0921?

A security flaw has been identified in the D-Link DIR-816 A2, specifically affecting the Web Interface component. The vulnerability arises from improper handling of the statuscheckpppoeuser argument within the /goform/setDeviceSettings file, which allows for OS command injection. This weak point can be exploited remotely, posing a serious risk to affected devices. With the exploit publicly disclosed, users are urged to take precautionary measures to secure their networks.

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Affected Version(s)

DIR-816 A2 1.10CNB04

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-2024-0921 - Proof of Concept

References

https://vuldb.com/?id.252139
vdb-entrytechnical-description
https://vuldb.com/?ctiid.252139
signaturepermissions-required
https://github.com/xiyuanhuaigu/cve/blob/main/rce.md
exploit

EPSS Score

17% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

xiyuanhuaigu (VulDB User)
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