How severe is CVE-2022-38955?

CVE-2022-38955 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-38955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38955?

CVE-2022-38955 affects Netgear Wpn824ext Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-38955?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-38955 published?

CVE-2022-38955 was published on 2022-09-20 and last updated on 2026-06-17.

CVE-2022-38955

CVE-2022-38955 is a high-severity vulnerability in Netgear Wpn824ext Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-354.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-354
Affected product: Netgear Wpn824ext Firmware
Published: 2022-09-20
Last modified: 2026-06-17

Description

An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.

Frequently asked questions

What is CVE-2022-38955?: An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.
How severe is CVE-2022-38955?: CVE-2022-38955 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-38955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38955?: CVE-2022-38955 affects Netgear Wpn824ext Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-38955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-38955 published?: CVE-2022-38955 was published on 2022-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:netgear:wpn824ext_firmware:1.1.1_1.1.9:*:*:*:*:*:*:*

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