Command Injection Flaw in Tenda AC500 Router
CVE-2024-3908

9.8CRITICAL

Key Information:

Vendor
Tenda
Status
Ac500
Vendor
CVE Published:
17 April 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A critical command injection vulnerability has been identified in the Tenda AC500 router, specifically within the formWriteFacMac function of the WriteFacMac endpoint. This flaw allows an attacker to manipulate MAC address input parameters and execute arbitrary commands remotely, posing a significant threat to network integrity. Despite notification attempts, Tenda has yet to acknowledge or address this issue, increasing the urgency for users to secure their devices against potential exploits. Users are strongly advised to monitor their network traffic and apply necessary mitigations until a patch is provided.

Affected Version(s)

AC500 2.0.1.9(1307)

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-2024-3908 - Proof of Concept

References

https://vuldb.com/?id.261144
vdb-entrytechnical-description
https://vuldb.com/?ctiid.261144
signaturepermissions-required
https://vuldb.com/?submit.313803
third-party-advisory

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

yhryhryhr_tu (VulDB User)
.