High severity · published Jun 29, 2026
CVE-2026-13564
Edimax EW-7478APC POST Request formPPPoESetup stack-based overflow
8.8
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EW
EW-7478APC · Edimax
1.04 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-13564
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-13564
lavender-bicycle-a5a.notion.site
https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formPPPoESetup-34b53a41781f80208e6be16a764f001c
vuldb.com
https://vuldb.com/cve/CVE-2026-13564
vuldb.com
https://vuldb.com/submit/844114
vuldb.com
https://vuldb.com/vuln/374572
vuldb.com
https://vuldb.com/vuln/374572/cti
More from EW-7478APC
9.9
CVE-2026-19961
Edimax EW-7478APC formWlSiteSurvey buffer overflow
9.9
CVE-2026-19959
Edimax EW-7478APC formWanTcpipSetup stack-based overflow
8.8
CVE-2026-13583
Edimax EW-7478APC POST Request formUSBFolder buffer overflow
8.8
CVE-2026-13582
Edimax EW-7478APC POST Request formUSBAccount buffer overflow
8.8
CVE-2026-13580
Edimax EW-7478APC POST Request formQoS buffer overflow