Auth bypass in Netgear Dgnd3700
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 aut…
Vulnerability class: Broken Authentication
EPSS: 0.015 (81.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Netgear Dgnd3700 — versions 1.1.00.15_1.00.15NA
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-309639 | Netgear DGND3700 Basic Authentication BRS_top.html improper authentication (vdb-entry)
- VDB-309639 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #564712 | Netgear DGND3700v2 V1.1.00.15_1.00.15NA Backdoor (third-party-advisory)
- github.com/at0de/my_vulns/blob/main/Netgear/DGND3700v2/backdoor.md (exploit)
- www.netgear.com/ (product)
Frequently asked questions
- What is CVE-2025-4978?
- CVE-2025-4978 is a critical-severity vulnerability in Netgear Dgnd3700, classified under Improper Authentication. CVSS score: 9.8/10. Published 2025-05-20.
- How severe is CVE-2025-4978?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-4978 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.