Tenda W9 httpd setWrlAccessList stack-based overflow
CVE-2024-0536

8.8HIGH

Key Information:

Vendor

Tenda
Status
W9
Vendor
CVE Published:
15 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-0536?

A vulnerability exists in the Tenda W9 1.0.0.7, specifically within the setWrlAccessList function of the httpd component. The issue arises from improper handling of the ssidIndex argument, leading to a stack-based buffer overflow. This weakness allows for potential remote exploitation, enabling attackers to execute arbitrary code. Despite early notification of the vulnerability to the vendor, Tenda did not respond. As the exploit has been publicly disclosed, it poses a significant risk to users of the affected product.

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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-2024-0536 - Proof of Concept

References

https://vuldb.com/?id.250706
vdb-entrytechnical-description
https://vuldb.com/?ctiid.250706
signaturepermissions-required
https://github.com/jylsec/vuldb/blob/main/Tenda/W9/1/READ...
broken-linkexploit

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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)
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