Totolink LR1200GB cstecgi.cgi setParentalRules stack-based overflow
CVE-2024-0574

9.8CRITICAL

Key Information:

Vendor
Totolink
Status
LR1200GB
Vendor
CVE Published:
16 January 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability in the Totolink LR1200GB router's firmware version 9.1.0u.6619_B20230130 has been identified, stemming from the setParentalRules function located in /cgi-bin/cstecgi.cgi. This issue arises due to improper handling of the sTime argument, resulting in a stack-based buffer overflow. Attackers can exploit this vulnerability remotely, which poses a significant risk to affected users. Despite early disclosure attempts to the vendor, there was no response, affirming the urgency for users to take precautionary measures.

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-2024-0574 - Proof of Concept

References

https://vuldb.com/?id.250790
vdb-entrytechnical-description
https://vuldb.com/?ctiid.250790
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)
.