Totolink LR1200GB cstecgi.cgi setSmsCfg stack-based overflow
CVE-2024-0571

9.8CRITICAL

Key Information:

Vendor
Totolink
Status
LR1200GB
Vendor
CVE Published:
16 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability has been identified in the Totolink LR1200GB router that affects the function setSmsCfg located in the /cgi-bin/cstecgi.cgi file. This flaw allows for manipulation of the 'text' argument, which can lead to a stack-based buffer overflow. Attackers can execute this exploit remotely, posing a significant risk to users of this product. The public disclosure of this exploit increases the urgency for network administrators to address this vulnerability. Despite early outreach, the vendor has not provided a response regarding this matter.

Affected Version(s)

LR1200GB 9.1.0u.6619_B20230130

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-2024-0571 - Proof of Concept

References

https://vuldb.com/?id.250787
vdb-entrytechnical-description
https://vuldb.com/?ctiid.250787
signaturepermissions-required
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/LR1200...
broken-linkexploit

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

jylsec (VulDB User)
.