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CVE-2026-13564— Edimax EW-7478APC POST Request formPPPoESetup stack-based overflow

Quick assessment

Affected
Edimax EW-7478APC
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 ew-7478apc是中国Edimax公司的一款无线网络接入点设备。 edimax ew-7478apc 1.04版本存在缓冲区错误漏洞，该漏洞源于文件/goform/formPPPoESetup中POST Request Handler组件的formPPPoESetup函数对参数pppUserName的操作存在栈缓冲区溢出。

CVSS 8.8 · High EPSS 0.80% · P56

Affected Version Matrix 1

VendorProduct Version RangeStatus
Edimax EW-7478APC 1.04 affected
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I. Basic Information for CVE-2026-13564

Vulnerability Information
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Vulnerability Title
Edimax EW-7478APC POST Request formPPPoESetup stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Edimax EW-7478APC 1.04. Affected is the function formPPPoESetup of the file /goform/formPPPoESetup of the component POST Request Handler. Performing a manipulation of the argument pppUserName results in stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made public and could 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
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
edimax ew-7478apc 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Edimax ew-7478apc是中国Edimax公司的一款无线网络接入点设备。 edimax ew-7478apc 1.04版本存在缓冲区错误漏洞，该漏洞源于文件/goform/formPPPoESetup中POST Request Handler组件的formPPPoESetup函数对参数pppUserName的操作存在栈缓冲区溢出。
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 EW-7478APC 1.04 cpe:2.3:a:edimax:ew-7478apc:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-13564

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III. Intelligence Information for CVE-2026-13564

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Same Patch Batch · Edimax · 2026-06-29 · 9 CVEs total

CVE-2026-13562 8.8 HIGH Edimax EW-7478APC POST Request formiNICSiteSurvey buffer overflow
CVE-2026-13563 8.8 HIGH Edimax EW-7478APC POST Request formL2TPSetup stack-based overflow
CVE-2026-13582 8.8 HIGH Edimax EW-7478APC POST Request formUSBAccount buffer overflow
CVE-2026-13583 8.8 HIGH Edimax EW-7478APC POST Request formUSBFolder buffer overflow
CVE-2026-13580 8.8 HIGH Edimax EW-7478APC POST Request formQoS buffer overflow
CVE-2026-13561 6.3 MEDIUM Edimax EW-7478APC POST Request formiNICbasic os command injection
CVE-2026-13560 6.3 MEDIUM Edimax EW-7478APC POST Request formAccept os command injection
CVE-2026-13581 6.3 MEDIUM Edimax EW-7478APC POST Request formStaDrvSetup os command injection

IV. Related Vulnerabilities

Same product: EW-7478APC
Same vendor: Edimax
Same weakness: CWE-121

V. Comments for CVE-2026-13564

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