What is CVE-2025-5934?

CVE-2025-5934 is a high-severity vulnerability in NETGEAR Ex3700, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-06-10.

How severe is CVE-2025-5934?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2025-5934 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in NETGEAR Ex3700

CVE-2025-5934

A vulnerability was found in Netgear EX3700 up to 1.0.0.88. It has been classified as critical. Affected is the function sub_41619C of the file /mtd. The manipulation leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.0.0.98 is able to address this issue. It is recommended to upgrade the affected component. This vulnerability only affects products that are no longer supported by the maintainer.

Vulnerability class: Buffer Overflow

Published 2025-06-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.001

Affected products

NETGEAR Ex3700 — versions 1.0.0.0, 1.0.0.1, 1.0.0.2
NETGEAR Ex3700 Firmware

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
github.com/xiaobor123/vul-finds/tree/main/vul-find-ex3700-netgear (related, Exploit, Third Party Advisory)
github.com/xiaobor123/vul-finds/tree/main/vul-find-ex3700-netgear (Exploit, Third Party Advisory, exploit)
www.netgear.com/ (Product, product)

Frequently asked questions

What is CVE-2025-5934?: CVE-2025-5934 is a high-severity vulnerability in NETGEAR Ex3700, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-06-10.
How severe is CVE-2025-5934?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-5934 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.