Buffer Overflow Vulnerability in TOTOLINK X15 Product
CVE-2025-8243

8.7HIGH

Key Information:

Vendor

Totolink
Status
X15
Vendor
CVE Published:
27 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8243?

A vulnerability in the TOTOLINK X15, specifically in the HTTP POST Request Handler for the /boafrm/formMapDel component, allows for a buffer overflow when the devicemac1 argument is manipulated. This issue could enable an attacker to execute remote exploits, potentially compromising the affected device. The vulnerability has been publicly disclosed, emphasizing the importance of immediate awareness and potential mitigation strategies.

Affected Version(s)

X15 1.0.0-B20230714.1105

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-2025-8243 - Proof of Concept

References

https://vuldb.com/?id.317831
vdb-entrytechnical-description
https://vuldb.com/?ctiid.317831
signaturepermissions-required
https://vuldb.com/?submit.622691
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

panda_0x1 (VulDB User)
.