Tenda W9 httpd formQosManage_auto stack-based overflow
CVE-2024-0538

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
W9
Vendor
CVE Published:
15 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-0538?

A vulnerability in the Tenda W9 router version 1.0.0.7(4456) has been identified in the httpd service, specifically within the function formQosManage_auto. This flaw is triggered through improper handling of the ssidIndex argument, resulting in a stack-based buffer overflow. The potential for remote exploitation of this vulnerability poses significant security risks, as an attacker could execute arbitrary code on the affected device. Public disclosure of this issue has heightened concerns over its exploitability, prompting immediate attention from users of the Tenda W9 router model.

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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-2024-0538 - Proof of Concept

References

https://vuldb.com/?id.250708
vdb-entrytechnical-description
https://vuldb.com/?ctiid.250708
signaturepermissions-required
https://github.com/jylsec/vuldb/blob/main/Tenda/W9/3/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)
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