PT-2026-53254 · Edimax · Ew-7478Apc

Wxhwxhwxh_Mie · Published 2026-06-29 · Updated 2026-06-29 · CVE-2026-13563

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Edimax EW-7478APC version 1.04

Description A stack-based buffer overflow exists in the POST Request Handler component. This occurs when the L2TPUserName argument is manipulated within the formL2TPSetup() function of the '/goform/formL2TPSetup' endpoint. This flaw allows a remote attacker to trigger the overflow.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2026-13563

Affected Products

Ew-7478Apc

References · 7

• 🔥 https://lavender-bicycle-a5a.notion.site/EDIMAX-EW-7478APC-formL2TPSetup-34b53a41781f80f295f8ca2aa55e1226?pvs=73 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-13563 · Security Note
• https://vuldb.com/submit/844113 · Note
• https://vuldb.com/vuln/374571 · Note
• https://twitter.com/VulmonFeeds/status/2071582094690578906 · Twitter Post
• https://vuldb.com/vuln/374571/cti · Note
• https://vuldb.com/cve/CVE-2026-13563 · Note