High severity · published Jun 29, 2026
CVE-2026-13580
Edimax EW-7478APC POST Request formQoS buffer overflow
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
A security vulnerability has been detected in Edimax EW-7478APC 1.04. This affects the function formQoS of the file /goform/formQoS of the component POST Request Handler. The manipulation of the argument selSSID leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may 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-2026-13580
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-13580
lavender-bicycle-a5a.notion.site
https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formQoS-34b53a41781f8095bffacdea103a82d1
vuldb.com
https://vuldb.com/cve/CVE-2026-13580
vuldb.com
https://vuldb.com/submit/844115
vuldb.com
https://vuldb.com/vuln/374586
vuldb.com
https://vuldb.com/vuln/374586/cti
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