Stack-based Buffer Overflow in Tenda i21 Wi-Fi Router
CVE-2024-4250

8.8HIGH

Key Information:

Vendor

Tenda
Status
I21
Vendor
CVE Published:
27 April 2024

Badges

👾 Exploit Exists

What is CVE-2024-4250?

A severe stack-based buffer overflow vulnerability has been identified in the Tenda i21 Wi-Fi router, specifically within the 'formwrlSSIDset' function located in the '/goform/wifiSSIDset' file. This vulnerability arises from improper handling of the 'ssidIndex' argument, which could allow an attacker to execute arbitrary code remotely. The exploit has been made public, increasing the potential risk for users. Notably, attempts to alert the vendor about this issue have gone unanswered, emphasizing the urgency for users to take preventive measures to secure their devices.

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Affected Version(s)

i21 1.0.0.14(4656)

References

https://vuldb.com/?id.262141
vdb-entrytechnical-description
https://vuldb.com/?ctiid.262141
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https://vuldb.com/?submit.319835
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_tu (VulDB User)
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