CVE-2026-9360
Edimax EW-7438RPn POST Request formwlencrypt24g buffer overflow
A security flaw has been discovered in Edimax EW-7438RPn 1.28a. Affected by this issue is the function formwlencrypt24g of the file /goform/formwlencrypt24g of the component POST Request Handler. The manipulation of the argument key1 results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.7
Edimax EW-7438RPn POST Request formwlencrypt24g buffer overflow
A security flaw has been discovered in Edimax EW-7438RPn 1.28a. Affected by this issue is the function formwlencrypt24g of the file /goform/formwlencrypt24g of the component POST Request Handler. The manipulation of the argument key1 results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2026-9360- CVSS 4.0
- 8.7 High
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 - CVSS 3.1
- 8.8 High
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 - CVSS 3.0
- 8.8 High
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 - CVSS 2.0
- 9.0
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR - Weakness
- CWE-120, CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2026-31575
8.7
A security flaw has been discovered in Edimax EW-7438RPn 1.28a. Affected by this issue is the function formwlencrypt24g of the file /goform/formwlencrypt24g of the component POST Request Handler. The manipulation of the argument key1 results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
EUVD-2026-31575- CVSS 4.0
- 8.7 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-ffgh-x7gp-prmx
7.4
A security flaw has been discovered in Edimax EW-7438RPn 1.28a. Affected by this issue is the...
A security flaw has been discovered in Edimax EW-7438RPn 1.28a. Affected by this issue is the function formwlencrypt24g of the file /goform/formwlencrypt24g of the component POST Request Handler. The manipulation of the argument key1 results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
GHSA-ffgh-x7gp-prmx- CVSS 4.0
- 7.4 High
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
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
NVD
7.4
A security flaw has been discovered in Edimax EW-7438RPn 1.28a. Affected by this issue is the function formwlencrypt24g of the file /goform/formwlencrypt24g of the component POST Request Handler. The manipulation of the argument key1 results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2026-9360- CVSS 4.0
- 7.4 High
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
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-119, CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-9360 is a high vulnerability (CVSS 8.7) in Edimax Ew-7438rpn, published May 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.