Totolink N200RE cstecgi.cgi loginAuth stack-based overflow
CVE-2024-1004

7.2HIGH

Key Information:

Vendor

Totolink
Status
N200re
Vendor
CVE Published:
29 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-1004?

A vulnerability affecting Totolink N200RE routers has been identified, specifically in the loginAuth function within the /cgi-bin/cstecgi.cgi file. The issue arises from improper handling of the http_host argument, leading to a stack-based buffer overflow which can be exploited remotely. This vulnerability poses significant risks, as it may allow attackers to execute arbitrary code on the device. The details of this exploit have been made public, raising concerns about the potential for malicious use. Prompt awareness and mitigation strategies are essential for users of affected products.

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-2024-1004 - Proof of Concept

References

https://vuldb.com/?id.252273
vdb-entrytechnical-description
https://vuldb.com/?ctiid.252273
signaturepermissions-required
https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buff...
exploit

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

CVSS V3.0

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

jylsec (VulDB User)
JSON
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CVE-2024-1004 : Totolink N200RE cstecgi.cgi loginAuth stack-based overflow