Totolink LR1200GB cstecgi.cgi setIpPortFilterRules stack-based overflow
CVE-2024-0576

9.8CRITICAL

Key Information:

Vendor
Totolink
Status
LR1200GB
Vendor
CVE Published:
16 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A potential security vulnerability identified in the Totolink LR1200GB involves the function setIpPortFilterRules located in the /cgi-bin/cstecgi.cgi file. This vulnerability arises due to improper handling of the sPort argument, leading to a stack-based buffer overflow. Attackers can exploit this flaw remotely, making it a significant concern for users of the affected version. The lack of response from the vendor upon early disclosure further emphasizes the urgency for users to assess their systems to mitigate any risks associated with this vulnerability.

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-2024-0576 - Proof of Concept

References

https://vuldb.com/?id.250792
vdb-entrytechnical-description
https://vuldb.com/?ctiid.250792
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)
.