Buffer Overflow Vulnerability in Edimax BR-6675nD Router
CVE-2026-9403
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-9403?
A buffer overflow has been identified in the Edimax BR-6675nD router, specifically in the function formWlSiteSurvey within the POST Request Handler found at /goform/formWlSiteSurvey. This vulnerability arises when the argument selSSID is manipulated, allowing an attacker to exploit it remotely. Public awareness of this exploit has been raised, and despite early contact attempts, there has been no response from the vendor to address the issue.
Affected Version(s)
BR-6675nD 1.12
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.
References
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
yhryhryhr_tu (VulDB User)
VulDB CNA Team