CVE-2025-4978

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 v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-287 Improper Authentication

Affected Products

Vendor	Product	Versions
netgear	dgnd3700_firmware	All
netgear	dgnd3700	All

References

Exploits

https://github.com/at0de/my_vulns/blob/main/Netgear/DGND3700v2/backdoor.md https://github.com/at0de/my_vulns/blob/main/Netgear/DGND3700v2/backdoor.md

Other References

https://vuldb.com/?ctiid.309639 https://vuldb.com/?id.309639 https://vuldb.com/?submit.564712 https://www.netgear.com/

Frequently Asked Questions

What is CVE-2025-4978? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-4978? +

CVE-2025-4978 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-4978? +

CVE-2025-4978 affects products from netgear, specifically: dgnd3700, dgnd3700_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-4978? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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