Buffer Overflow Vulnerability in Edimax BR-6208AC Router
CVE-2026-7685

8.7HIGH

Key Information:

Vendor

Edimax

Status
Br-6208ac
Vendor
CVE Published:
3 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7685?

A vulnerability exists in the Edimax BR-6208AC router affecting versions up to 1.02, specifically within the /goform/setWAN function. Manipulation of the pptpDfGateway argument can trigger a buffer overflow, which may be exploited remotely. This exploit is publicly known and poses a significant threat to users if not mitigated. Despite early notification to the vendor, there has been no response regarding this issue, raising concerns about user security and device integrity.

Affected Version(s)

BR-6208AC 1.02

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-2026-7685 - Proof of Concept

References

https://vuldb.com/vuln/360844
vdb-entrytechnical-description
https://vuldb.com/vuln/360844/cti
signaturepermissions-required
https://vuldb.com/submit/801606
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

tian (VulDB User)
VulDB CNA Team
.