Totolink N350RT HTTP POST Request main stack-based overflow
CVE-2023-7214

8.8HIGH

Key Information:

Vendor
Totolink
Status
N350RT
Vendor
CVE Published:
7 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability has been identified in the Totolink N350RT router, specifically within the HTTP POST Request Handler function located in /cgi-bin/cstecgi.cgi. Manipulation of the parameter 'v8' can result in a stack-based buffer overflow, which poses a significant risk for remote attack vectors. Exploit details for this vulnerability are publicly available, potentially allowing malicious actors to compromise affected devices. Despite prior notification to the vendor, there has been no response regarding this issue.

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-2023-7214 - Proof of Concept

References

https://vuldb.com/?id.249770
vdb-entrytechnical-description
https://vuldb.com/?ctiid.249770
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)
.