Totolink N350RT HTTP POST Request main stack-based overflow
CVE-2023-7213

8.8HIGH

Key Information:

Vendor
Totolink
Status
N350RT
Vendor
CVE Published:
7 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A stack-based buffer overflow vulnerability exists in the Totolink N350RT router due to inadequate input validation in the HTTP POST request handler. Specifically, the flaw is triggered by manipulating the 'v33' argument in the login function of the '/cgi-bin/cstecgi.cgi?action=login&flag=1' endpoint. This vulnerability allows an attacker to execute arbitrary code remotely, compromising the integrity and security of the device. The issue has been publicly disclosed, and users are advised to take immediate action to mitigate potential risks.

Affected Version(s)

N350RT 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-2023-7213 - Proof of Concept

References

https://vuldb.com/?id.249769
vdb-entrytechnical-description
https://vuldb.com/?ctiid.249769
signaturepermissions-required
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT...
broken-linkexploit

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

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)

Credit

jylsec (VulDB User)
.