Vulnerability · Published May 31, 2026 · Assigned by VulDB

CVE-2026-10165Edimax BR-6478AC POST Request formWanTcpipSetup stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in BR-6478AC from Edimax. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.5%top 59.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was identified in Edimax BR-6478AC 1.23. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName leads to stack-based buffer overflow. The attack may be performed from remote. The exploit is publicly available and might be used.

Affected products (as reported)

Vendor	Product	Versions
Edimax	BR-6478AC	1.23

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

References

VDB-367419 | Edimax BR-6478AC POST Request formWanTcpipSetup stack-based overflow vdb-entry, technical-description
VDB-367419 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #818601 | Edimax BR6478ACV2 BR6478ACV2_v1.23 Buffer Overflow third-party-advisory
https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-formWanTcpipSetup-34b53a41781f8013a811da2b3c8b7aa3?source=copy_link exploit