Totolink N200RE cstecgi.cgi setIpPortFilterRules stack-based overflow
CVE-2024-1002

8.8HIGH

Key Information:

Vendor
Totolink
Status
N200RE
Vendor
CVE Published:
29 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A stack-based buffer overflow vulnerability exists in the Totolink N200RE router, specifically within the setIpPortFilterRules function located in the /cgi-bin/cstecgi.cgi file. This flaw allows an attacker to manipulate the ePort parameter, potentially leading to remote exploitation. The vulnerability has been publicly disclosed, putting users at risk as the exploit may soon be utilized by malicious actors. Despite attempts to notify the vendor of the issue, no response has been received regarding remedial actions.

Affected Version(s)

N200RE 9.3.5u.6139_B20201216

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-2024-1002 - Proof of Concept

References

https://vuldb.com/?id.252271
vdb-entrytechnical-description
https://vuldb.com/?ctiid.252271
signaturepermissions-required
https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buff...
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

jylsec (VulDB User)
.