Exploitable Stack-Based Buffer Overflow in TOTOLINK EX1800T Firmware
CVE-2024-12352

9.8CRITICAL

Key Information:

Vendor
Totolink
Status
Ex1800t
Vendor
CVE Published:
9 December 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

CVE-2024-12352 is a high-risk vulnerability identified in the TOTOLINK EX1800T router's firmware version 9.1.0cu.2112_B20220316. This critical flaw exists within the function sub_40662C of the CGI script located at /cgi-bin/cstecgi.cgi. It allows attackers to manipulate the 'ssid' argument and trigger a stack-based buffer overflow, potentially enabling remote execution of arbitrary code. Given that the exploit has been publicly disclosed, it poses a significant threat to network integrity and user data security. Users are advised to apply relevant security patches and monitor for any suspicious activity.

Affected Version(s)

EX1800T 9.1.0cu.2112_B20220316

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-2024-12352 - Proof of Concept

References

https://vuldb.com/?id.287272
vdb-entrytechnical-description
https://vuldb.com/?ctiid.287272
signaturepermissions-required
https://vuldb.com/?submit.457392
third-party-advisory

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

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)

Credit

zhangzheng (VulDB User)
zhangzheng (VulDB User)
.