Stack-Based Buffer Overflow in Tenda AC18 Affected Products
CVE-2024-2558

8.8HIGH

Key Information:

Vendor
Tenda
Status
Ac18
Vendor
CVE Published:
17 March 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A serious vulnerability exists in the Tenda AC18 router, specifically in the handling of the execCommand function found in the /goform/execCommand file. This issue is a stack-based buffer overflow that can be exploited remotely through improper manipulation of the cmdinput argument. When an attacker sends specially crafted input, it can cause the router to overwrite the memory stack with malicious instructions, leading to unauthorized access and control over the device. This vulnerability has been made public, increasing the risk of exploitation, and the vendor has not responded to notifications regarding this critical issue. Users of Tenda AC18 devices should take immediate action to mitigate potential attacks.

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-2024-2558 - Proof of Concept

References

https://vuldb.com/?id.257057
vdb-entrytechnical-description
https://vuldb.com/?ctiid.257057
signaturepermissions-required
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/T...
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_backup (VulDB User)
.