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Vulnerability record · CVE-2025-4978 · published 20 May 2025

CVE-2025-4978: Netgear dgnd3700 firmware improper authentication vulnerability

Netgear · Dgnd3700 Firmware

A vulnerability, which was classified as very critical, was found in Netgear DGND3700 1.1.00.15_1.00.15NA. This affects an unknown part of the file /BRS_top.html of the component Basic Authentication. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Other products might be affected as well. The vendor was contacted early about this disclosure.

9.3 CVSS 4.0 Critical EPSS 21% · top 2.5% CWE-287 · Improper authentication
9.3CVSS 4.0 base score, v2 10.0
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability, which was classified as very critical, was found in Netgear DGND3700 1.1.00.15_1.00.15NA. This affects an unknown part of the file /BRS_top.html of the component Basic Authentication. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Other products might be affected as well. The vendor was contacted early about this disclosure.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/at0de/my_vulns/blob/main/Netgear/DGND3700v2/backdoor.md Exploit
https://vuldb.com/?ctiid.309639 Permissions RequiredVDB Entry
https://vuldb.com/?id.309639 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.564712 Third Party AdvisoryVDB Entry
https://www.netgear.com/ Product
https://github.com/at0de/my_vulns/blob/main/Netgear/DGND3700v2/backdoor.md Exploit

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-4978), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.