Edimax EW-7438RPn webs mp stack-based overflow
Published May 24, 2026
8.7
HIGHCVSS 4.0
EPSS 0.80%
Description
A vulnerability was found in Edimax EW-7438RPn up to 1.31. Affected by this vulnerability is an unknown functionality of the file /goform/mp of the component webs. The manipulation of the argument webs results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
-
- Version 1.0StatusaffectedConstraints-
- Version 1.1StatusaffectedConstraints-
- Version 1.10StatusaffectedConstraints-
- Version 1.11StatusaffectedConstraints-
- Version 1.12StatusaffectedConstraints-
- Version 1.13StatusaffectedConstraints-
- Version 1.14StatusaffectedConstraints-
- Version 1.15StatusaffectedConstraints-
- Version 1.16StatusaffectedConstraints-
- Version 1.17StatusaffectedConstraints-
- Version 1.18StatusaffectedConstraints-
- Version 1.19StatusaffectedConstraints-
- Version 1.2StatusaffectedConstraints-
- Version 1.20StatusaffectedConstraints-
- Version 1.21StatusaffectedConstraints-
- Version 1.22StatusaffectedConstraints-
- Version 1.23StatusaffectedConstraints-
- Version 1.24StatusaffectedConstraints-
- Version 1.25StatusaffectedConstraints-
- Version 1.26StatusaffectedConstraints-
- Version 1.27StatusaffectedConstraints-
- Version 1.28StatusaffectedConstraints-
- Version 1.29StatusaffectedConstraints-
- Version 1.3StatusaffectedConstraints-
- Version 1.30StatusaffectedConstraints-
- Version 1.31StatusaffectedConstraints-
- Version 1.4StatusaffectedConstraints-
- Version 1.5StatusaffectedConstraints-
- Version 1.6StatusaffectedConstraints-
- Version 1.7StatusaffectedConstraints-
- Version 1.8StatusaffectedConstraints-
- Version 1.9StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Edimax | EW-7438RPn | n/a |
|
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 27, 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) | 55.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.59% (0.00589) | 43.35th | v5 (v2026.06.15) |
| May 24, 2026 | 0.04% (0.00041) | 12.60th | v4 (v2025.03.14) |
References (4)
- https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_6/6.md exploit
- https://vuldb.com/submit/813890 third-party-advisory
- https://vuldb.com/vuln/365311 vdb-entrytechnical-description
- https://vuldb.com/vuln/365311/cti signaturepermissions-required
| Link | Providers | Tags |
|---|---|---|
| https://github.com/wudipjq/my_vuln/blob/main/Edimax/vuln_6/6.md | exploit | |
| https://vuldb.com/submit/813890 | third-party-advisory | |
| https://vuldb.com/vuln/365311 | vdb-entrytechnical-description | |
| https://vuldb.com/vuln/365311/cti | signaturepermissions-required |
Change history (0)
No recorded changes yet.