Totolink N200RE cstecgi.cgi setTracerouteCfg stack-based overflow
CVE-2024-1000

8.8HIGH

Key Information:

Vendor
Totolink
Status
N200RE
Vendor
CVE Published:
29 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A notable vulnerability affects the Totolink N200RE product, specifically in the setTracerouteCfg functionality within the /cgi-bin/cstecgi.cgi file. The vulnerability is characterized by a stack-based buffer overflow arising from improper handling of the command argument, allowing remote attackers to manipulate the buffer. The public disclosure has raised concerns over potential exploitation, as the vendor has not responded to early communication regarding the issue. Users of the affected version are advised to take precautionary measures.

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-2024-1000 - Proof of Concept

References

https://vuldb.com/?id.252269
vdb-entrytechnical-description
https://vuldb.com/?ctiid.252269
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)
.