Stack-Based Buffer Overflow Vulnerability in Tenda F1202 Router
CVE-2024-3876

8.8HIGH

Key Information:

Vendor
Tenda
Status
F1202
Vendor
CVE Published:
16 April 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A critical vulnerability affecting the Tenda F1202 router has been identified, specifically related to the 'fromVirtualSer' function within the '/goform/VirtualSer' file. This vulnerability allows attackers to manipulate the 'page' argument, resulting in a stack-based buffer overflow. Due to this flaw, a remote attacker can exploit the vulnerability to potentially execute arbitrary code or disrupt network services. The affected version is Tenda F1202 with firmware version 1.2.0.20(408). As this vulnerability has already been disclosed, organizations using affected devices should apply necessary mitigations to protect their networks.

Affected Version(s)

F1202 1.2.0.20(408)

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-2024-3876 - Proof of Concept

References

https://vuldb.com/?id.260910
vdb-entrytechnical-description
https://vuldb.com/?ctiid.260910
signaturepermissions-required
https://vuldb.com/?submit.312818
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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wxhwxhwxh_mie (VulDB User)
.