Read the docs
TI-2026-08160 Aliases CVE-2026-9294GHSA-w59p-45j6-4rch

Edimax BR-6428NS POST Request formWanTcpipSetup buffer overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A vulnerability was identified in Edimax BR-6428NS 1.10. 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 buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00542 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EdimaxBR-6428NS1.10—No fix listedCNA
  • BR-6428NS VendorEdimax Affected 1.10 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:o:edimax:br-6428ns_firmware:*:*:*:*:*:*:*:*——Edimax
  • cpe:2.3:o:edimax:br-6428ns_firmware:*:*:*:*:*:*:*:* Versions — — ·Edimax

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-9294
  2. 2026-10-03 Alias added: GHSA-w59p-45j6-4rch
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

  • TI-2025-01129 Edimax IC-7100 IP Camera OS Command Injection KEVCVSS 4.0CRITICAL 9.3
  • TI-2026-85269 Edimax BR-6208AC mp command injection CVSS 4.0CRITICAL 10.0
  • TI-2026-71231 Command injection in Edimax BR-6208AC via formWlanMP CVSS 4.0CRITICAL 10.0
  • TI-2026-71230 Command injection in Edimax BR-6208AC via tftpsIP argument CVSS 4.0CRITICAL 10.0
  • TI-2025-28873 EDIMAX CV7428NS v1.20 was discovered to contain a remote code execution (RCE)… CVSS 3.1CRITICAL 9.8
  • TI-2025-20734 Edimax AC1200 Wave 2 Dual-Band Gigabit Router BR-6478AC V3 1.0.15 was discovered to… CVSS 3.1CRITICAL 9.8
See all 158 →

Sources