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CVE-2025-4135: A vulnerability was found in Netgear WG302v2 up to 5.2.9 and classified as critical

42
This month
MEDIUM 6.3UPGRADE

CVE-2025-4135 is a medium-severity flaw (CVSS 6.3) affecting wg302v2 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Netgear WG302v2 up to 5.2.9 and classified as critical. Affected by this issue is the function ui_get_input_value. The manipulation of the argument host leads to command injection. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance2.0% (top 19%)
CISA exploited listNo
WeaknessCWE-74, CWE-77
Published2025-04-30
Last modified2026-06-17
Publisher (CNA): VulDB · Vendor: netgear

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

Am I affected?

Timeline

netgear wg302v2 firmware UPGRADE
Affected: <= 5.2.9
Fixed in: newer than 5.2.9
Safe to downgrade to: no unaffected older release
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-2025-4135?

wg302v2 firmware: upgrade to newer than 5.2.9. Exact commands for each OS are on this page.

Is CVE-2025-4135 being exploited?

CVE-2025-4135 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-2025-4135 affect?

CVE-2025-4135 affects wg302v2 firmware. Severity is medium (CVSS 6.3). A vulnerability was found in Netgear WG302v2 up to 5.2.9 and classified as critical. Affected by this issue is the function ui_get_input_value. The manipulation of the argument host leads to command injection. The attack may be launched rem

How urgent is CVE-2025-4135?

Priority 42/100. No elevated risk signals yet.

Software pages

Netgear vulnerabilities

References

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