Stack-Based Buffer Overflow in Tenda i21 WiFi Router
CVE-2024-4249

8.8HIGH

Key Information:

Vendor

Tenda
Status
I21
Vendor
CVE Published:
27 April 2024

Badges

👾 Exploit Exists

What is CVE-2024-4249?

A critical vulnerability has been identified in the Tenda i21 WiFi Router, specifically in the function handling WiFi SSID retrieval (/goform/wifiSSIDget). The issue arises from improper validation of the 'ssidIndex' argument, which can lead to a stack-based buffer overflow. This flaw allows an attacker to execute arbitrary code remotely, posing significant risk to users if exploited. Despite early notification to the vendor, no response has been received, indicating a potential lack of support for security issues. It is vital for users of the affected product to remain vigilant and apply any available security patches.

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Affected Version(s)

i21 1.0.0.14(4656)

References

https://vuldb.com/?id.262140
vdb-entrytechnical-description
https://vuldb.com/?ctiid.262140
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https://vuldb.com/?submit.319834
third-party-advisory

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

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

yhryhryhr_miemie (VulDB User)
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