Edimax BR-6428NS POST Request formWanTcpipSetup buffer overflow
Published May 23, 2026
8.7
HIGHCVSS 4.0
EPSS 0.80%
Description
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.
Affected products
-
- Version 1.10StatusaffectedConstraints-
- Version
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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
1 other source (NVD) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
1 other source (NVD) ▾
AV:N/AC:L/Au:S/C:C/I:C/A:C
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed May 26, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
May–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.80% (0.00805) | 55.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.65% (0.00647) | 45.97th | v5 (v2026.06.15) |
| May 23, 2026 | 0.01% (0.00015) | 3.45th | v4 (v2025.03.14) |
References (4)
- https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formWanTcpipSetup-34b53a41781f80049b27db22e62fd8fd?source=copy_link exploit
- https://vuldb.com/submit/811533 third-party-advisory
- https://vuldb.com/vuln/365241 vdb-entrytechnical-description
- https://vuldb.com/vuln/365241/cti signaturepermissions-required
| Link | Providers | Tags |
|---|---|---|
| https://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6428NS-formWanTcpipSetup-34b53a41781f80049b27db22e62fd8fd?source=copy_link | exploit | |
| https://vuldb.com/submit/811533 | third-party-advisory | |
| https://vuldb.com/vuln/365241 | vdb-entrytechnical-description | |
| https://vuldb.com/vuln/365241/cti | signaturepermissions-required |
Change history (0)
No recorded changes yet.