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CVE-2026-7685— Edimax BR-6208AC setWAN buffer overflow

Quick assessment

Affected
Edimax BR-6208AC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

EDIMAX BR-6208AC是中国台湾讯舟（EDIMAX）公司的一款无线宽带路由器。 Edimax BR-6208AC 1.02及之前版本存在缓冲区错误漏洞，该漏洞源于文件/goform/setWAN的未知函数对参数pptpDfGateway的操作，可能导致缓冲区溢出。

CVSS 8.8 · High EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Edimax BR-6208AC 1.02 affected
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I. Basic Information for CVE-2026-7685

Vulnerability Information
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Vulnerability Title
Edimax BR-6208AC setWAN buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in Edimax BR-6208AC up to 1.02. Affected is an unknown function of the file /goform/setWAN. Performing a manipulation of the argument pptpDfGateway  results in buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
EDIMAX BR-6208AC 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EDIMAX BR-6208AC是中国台湾讯舟（EDIMAX）公司的一款无线宽带路由器。 Edimax BR-6208AC 1.02及之前版本存在缓冲区错误漏洞，该漏洞源于文件/goform/setWAN的未知函数对参数pptpDfGateway的操作，可能导致缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Edimax BR-6208AC 1.02 cpe:2.3:o:edimax:br-6208ac_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7685

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III. Intelligence Information for CVE-2026-7685

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News Coverage for CVE-2026-7685 (1)

Same Patch Batch · Edimax · 2026-05-03 · 4 CVEs total

CVE-2026-7684 8.8 HIGH Edimax BR-6428nC setWAN buffer overflow
CVE-2026-7683 6.3 MEDIUM Edimax BR-6428nC Web setWAN command injection
CVE-2026-7682 6.3 MEDIUM Edimax BR-6208AC L2TP Mode setWAN command injection

IV. Related Vulnerabilities

Same product: BR-6208AC
Same vendor: Edimax
Same weakness: CWE-120

V. Comments for CVE-2026-7685

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