Stack-Based Buffer Overflow in Totolink LR1200GB Web Interface
CVE-2024-1783

9.8CRITICAL

Key Information:

Vendor
Totolink
Status
Lr1200gb
Vendor
CVE Published:
23 February 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A security vulnerability has been identified in the Totolink LR1200GB router's web interface. This issue arises in the login authentication function within the file '/cgi-bin/cstecgi.cgi', where manipulation of the 'http_host' argument can trigger a stack-based buffer overflow. This vulnerability allows attackers to execute their exploit remotely, posing significant risks to users' data and device integrity. Despite early disclosure attempts to Totolink, there has been no response from the vendor, highlighting the urgency for affected users to implement protective measures and consider mitigating strategies before official patches are available.

Affected Version(s)

LR1200GB 9.1.0u.6619_B20230130

LR1200GB 9.3.5u.6698_B20230810

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-2024-1783 - Proof of Concept

References

https://vuldb.com/?id.254574
vdb-entrytechnical-description
https://vuldb.com/?ctiid.254574
signaturepermissions-required
https://gist.github.com/manishkumarr1017/30bca574e2f0a6d6...
exploit

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

Credit

manish1017 (VulDB User)
.