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CVE-2026-15757

Insufficient input validation vulnerability in NETGEAR DGND3700v1 modem router

Medium6.3EPSS 0.25%
Published
Updated
Reserved
Assigned by
NETGEAR

Description

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.

Timeline

  1. ID reserved

    By NETGEAR

  2. Published

  3. · 1 day later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-15757, by who scored it
Scored byCVSSScoreVector
NETGEARCNA (assigner)4.0Medium6.3CVSS: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
NVDNVD · Deferred4.0Medium6.3CVSS: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
EPSS (exploitation in 30 days)
0.25% · top 83% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.

Weakness

Affected products

What to do

Solution: NETGEAR DGND3700v1 has reached End-of-Support phase, and no further security updates are planned. NETGEAR strongly recommends replacing these devices with newer NETGEAR models to ensure continued security support and updates.

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .