Remote Stack-Based Buffer Overflow in Tenda AC18 Router
CVE-2024-2490

8.8HIGH

Key Information:

Vendor

Tenda
Status
Ac18
Vendor
CVE Published:
15 March 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-2490?

A vulnerability exists in the Tenda AC18 router, specifically in the function setSchedWifi located in the openSchedWifi file. This flaw allows for remote manipulation of the schedStartTime and schedEndTime arguments, leading to a stack-based buffer overflow. This could enable an attacker to exploit the vulnerability from a remote location, potentially compromising the device's operation or gaining unauthorized access. The vulnerability has been publicly disclosed, which heightens security risks. The vendor was notified prior to this disclosure but has not responded, leaving users at risk. It is advised that users of the Tenda AC18 take immediate measures to secure their devices.

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Affected Version(s)

AC18 15.03.05.05

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-2024-2490 - Proof of Concept

References

https://vuldb.com/?id.256897
vdb-entrytechnical-description
https://vuldb.com/?ctiid.256897
signaturepermissions-required
https://github.com/Emilytutu/IoT-vulnerable/blob/main/Ten...
exploit

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

yhryhryhr (VulDB User)
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