Totolink LR1200GB cstecgi.cgi UploadCustomModule stack-based overflow
CVE-2024-0578

9.8CRITICAL

Key Information:

Vendor
Totolink
Status
LR1200GB
Vendor
CVE Published:
16 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A stack-based buffer overflow vulnerability exists in the UploadCustomModule function of the Totolink LR1200GB router, specifically located in the /cgi-bin/cstecgi.cgi file. This flaw allows attackers to manipulate the input argument 'File', potentially leading to a buffer overflow condition. The vulnerability enables remote attackers to execute unauthorized actions, as the exploit information has been publicly disclosed. The vendor did not respond to early disclosure attempts, raising concerns about the potential for exploitation in live environments. Immediate mitigation and patching are recommended.

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-2024-0578 - Proof of Concept

References

https://vuldb.com/?id.250794
vdb-entrytechnical-description
https://vuldb.com/?ctiid.250794
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)
.