CVE-2025-4114: A vulnerability classified as critical has been found in Netgear JWNR2000v2 1.0.0.11

This month

HIGH 8.8MITIGATE

CVE-2025-4114 is a high-severity flaw (CVSS 8.8) affecting jwnr2000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as critical has been found in Netgear JWNR2000v2 1.0.0.11. Affected is the function check_language_file. The manipulation of the argument host leads to buffer overflow. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-119, CWE-120
Published	2025-04-30
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: netgear

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-30 12:15 UTCPublished CVE record published
2026-06-17 09:32 UTCUpdated Record last modified

netgear jwnr2000 firmware MITIGATE

Affected: 1.0.0.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0.11

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-4114?

jwnr2000 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-4114 being exploited?

CVE-2025-4114 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-4114 affect?

CVE-2025-4114 affects jwnr2000 firmware. Severity is high (CVSS 8.8). A vulnerability classified as critical has been found in Netgear JWNR2000v2 1.0.0.11. Affected is the function check_language_file. The manipulation of the argument host leads to buffer overflow. It is possible to launch the attack remotely

How urgent is CVE-2025-4114?

Priority 47/100. High severity

Software pages

Netgear vulnerabilities

Related CVEs

CVE-2025-4117 MEDIUM 5.5 MITIGATE A vulnerability, which was classified as critical, was found in Netgear JWNR2000v2 1.0.0.11
CVE-2025-4116 HIGH 8.8 MITIGATE A vulnerability, which was classified as critical, has been found in Netgear JWNR2000v2 1.0.0.11
CVE-2025-4115 HIGH 8.8 MITIGATE A vulnerability classified as critical was found in Netgear JWNR2000v2 1.0.0.11

References

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