Stack-Based Buffer Overflow in TOTOLINK EX1800T Router
CVE-2025-2097

8.7HIGH

Key Information:

Vendor
Totolink
Status
Ex1800t
Vendor
CVE Published:
7 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability exists in the TOTOLINK EX1800T router's cstecgi.cgi file, specifically in the setRptWizardCfg function. This security flaw can be exploited remotely through a manipulated loginpass argument, leading to a stack-based buffer overflow. Once exploited, the vulnerability poses a risk to the integrity and security of the affected device. Immediate action is recommended to mitigate potential attacks.

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-2025-2097 - Proof of Concept

References

https://vuldb.com/?id.298955
vdb-entrytechnical-description
https://vuldb.com/?ctiid.298955
signaturepermissions-required
https://vuldb.com/?submit.515326
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

selph (VulDB User)
.