CVE-2026-15757
Insufficient input validation vulnerability in NETGEAR DGND3700v1 modem router
A security flaw was discovered in the NETGEAR DGND3700v1 that could allow someone on the same local WiFi network to send unauthorized commands to the device.
This issue was identified through testing in a controlled research environment using a simulated version of the router's software and has not been confirmed on physical production devices.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Insufficient input validation vulnerability in NETGEAR DGND3700v1 modem router
A security flaw was discovered in the NETGEAR DGND3700v1 that could allow someone on the same local WiFi network to send unauthorized commands to the device.
This issue was identified through testing in a controlled research environment using a simulated version of the router's software and has not been confirmed on physical production devices.
- Record
CVE-2026-15757- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2026-44329
A security flaw was discovered in the NETGEAR DGND3700v1 that could allow someone on the same local WiFi network to send unauthorized commands to the device.
This issue was identified through testing in a controlled research environment using a simulated version of the router's software and has not been confirmed on physical production devices.
- Record
EUVD-2026-44329- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xc2c-56pv-q355
A security flaw was discovered in the NETGEAR DGND3700v1 that could allow someone on the same...
A security flaw was discovered in the NETGEAR DGND3700v1 that could allow someone on the same local WiFi network to send unauthorized commands to the device.
This issue was identified through testing in a controlled research environment using a simulated version of the router's software and has not been confirmed on physical production devices.
- Record
GHSA-xc2c-56pv-q355- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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:D/RE:L/U:Amber - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
A security flaw was discovered in the NETGEAR DGND3700v1 that could allow someone on the same local WiFi network to send unauthorized commands to the device.
This issue was identified through testing in a controlled research environment using a simulated version of the router's software and has not been confirmed on physical production devices.
- Record
CVE-2026-15757- CVSS 4.0
- 6.3 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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:D/RE:L/U:Amber - Weakness
- CWE-20
- 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-2026-15757 is a medium vulnerability (CVSS 6.3) in Netgear Dgnd3700v1, published July 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.