Tenda W9 httpd formOfflineSet stack-based overflow
CVE-2024-0540

6.3MEDIUM

Key Information:

Vendor

Tenda
Status
W9
Vendor
CVE Published:
15 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-0540?

A vulnerability has been identified in the Tenda W9, specifically within the function formOfflineSet of the httpd component. This flaw arises from improper handling of the ssidIndex argument, which can lead to a stack-based buffer overflow. Given the nature of the vulnerability, it can be exploited remotely, potentially allowing attackers to execute arbitrary code or cause denial of service. As the exploit is publicly disclosed, it is crucial for users of the affected Tenda W9 version to take immediate action to mitigate risks associated with this security issue.

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-2024-0540 - Proof of Concept

References

https://vuldb.com/?id.250710
vdb-entrytechnical-description
https://vuldb.com/?ctiid.250710
signaturepermissions-required
https://github.com/jylsec/vuldb/blob/main/Tenda/W9/5/READ...
broken-linkexploit

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

jylsec (VulDB User)
.
CVE-2024-0540 : Tenda W9 httpd formOfflineSet stack-based overflow