Totolink N350RT cstecgi.cgi loginAuth stack-based overflow
CVE-2023-7219

7.2HIGH

Key Information:

Vendor

Totolink
Status
N350rt
Vendor
CVE Published:
9 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-7219?

A vulnerability has been identified in the Totolink N350RT router version 9.3.5u.6139_B202012 related to the loginAuth function in the /cgi-bin/cstecgi.cgi script. Manipulating the http_host argument can lead to a stack-based buffer overflow, allowing an attacker to execute remote exploits. The details of this vulnerability have been publicly disclosed, and the potential for exploitation has raised significant security concerns. Despite early notification, the vendor has not responded to address this issue.

Affected Version(s)

N350RT 9.3.5u.6139_B202012

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-2023-7219 - Proof of Concept

References

https://vuldb.com/?id.249853
vdb-entrytechnical-description
https://vuldb.com/?ctiid.249853
signaturepermissions-required
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT...
broken-linkexploit

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-2023-7219 : Totolink N350RT cstecgi.cgi loginAuth stack-based overflow