CVE-2023-38926: Netgear EX6200 v1.0.3.94 was discovered to contain a buffer overflow via the wla_temp_ssid parameter at acosNv

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HIGH 8.8MITIGATE

CVE-2023-38926 is a high-severity flaw (CVSS 8.8) affecting ex6200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Netgear EX6200 v1.0.3.94 was discovered to contain a buffer overflow via the wla_temp_ssid parameter at acosNvramConfig_set.

Why this priority

High severity
Public exploit reference

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	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-120
Published	2023-08-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: netgear

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

Am I affected?

Timeline

2023-08-07 19:15 UTCPublished CVE record published
2026-06-17 06:11 UTCUpdated Record last modified

netgear ex6200 firmware MITIGATE

Affected: 1.0.3.94

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.3.94

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-2023-38926?

ex6200 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-38926 being exploited?

CVE-2023-38926 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-2023-38926 affect?

CVE-2023-38926 affects ex6200 firmware. Severity is high (CVSS 8.8). Netgear EX6200 v1.0.3.94 was discovered to contain a buffer overflow via the wla_temp_ssid parameter at acosNvramConfig_set.

How urgent is CVE-2023-38926?

Priority 51/100. High severity; Public exploit reference

Software pages

Netgear vulnerabilities

Related CVEs

CVE-2025-4150 HIGH 8.8 MITIGATE A vulnerability was found in Netgear EX6200 1.0.3.94
CVE-2025-4149 HIGH 8.8 MITIGATE A vulnerability was found in Netgear EX6200 1.0.3.94
CVE-2025-4148 HIGH 8.8 MITIGATE A vulnerability was found in Netgear EX6200 1.0.3.94 and classified as critical
CVE-2025-4147 HIGH 8.8 MITIGATE A vulnerability has been found in Netgear EX6200 1.0.3.94 and classified as critical
CVE-2025-4146 HIGH 8.8 MITIGATE A vulnerability, which was classified as critical, was found in Netgear EX6200 1.0.3.94

References

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