Tenda W9 httpd formAddSysLogRule stack-based overflow
CVE-2024-0541

9.8CRITICAL

Key Information:

Vendor
Tenda
Status
W9
Vendor
CVE Published:
15 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A stack-based buffer overflow vulnerability has been identified in the Tenda W9 Router version 1.0.0.7, impacting the function formAddSysLogRule within the httpd component. The flaw arises from improper handling of the sysRulenEn argument, allowing remote attackers to exploit this vulnerability. Given that the exploit for this vulnerability has been publicized, affected users should take immediate steps to secure their devices against potential unauthorized access and attacks.

Affected Version(s)

W9 1.0.0.7(4456)

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-2024-0541 - Proof of Concept

References

https://vuldb.com/?id.250711
vdb-entrytechnical-description
https://vuldb.com/?ctiid.250711
signaturepermissions-required
https://github.com/jylsec/vuldb/blob/main/Tenda/W9/6/READ...
broken-linkexploit

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

jylsec (VulDB User)
.