PT-2026-42953 · Edimax · Br-6478Ac

Wxhwxhwxh_Mie · Published 2026-05-24 · Updated 2026-05-25 · CVE-2026-9443

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 BR-6478AC version 1.23

Description A buffer overflow can be triggered remotely via the POST Request Handler component. The issue exists within the formL2TPSetup() function located in the '/goform/formL2TPSetup' endpoint when the L2TPUserName argument is manipulated.

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

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

CVE-2026-9443

Affected Products

Br-6478Ac

References · 8

• 🔥 https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formL2TPSetup-34b53a41781f809e9c30c1260cc5d92e?source=copy_link · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-9443 · Security Note
• https://twitter.com/vuldb/status/2058454763583447443 · Twitter Post
• https://vuldb.com/vuln/365424/cti · Note
• https://t.me/CVEtracker/54843 · Telegram Post
• https://vuldb.com/submit/818452 · Note
• https://twitter.com/CVEnew/status/2058935273229038037 · Twitter Post
• https://vuldb.com/vuln/365424 · Note