What is the CVSS score of CVE-2022-38956?

CVE-2022-38956 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.2%.

Wpn824Ext Firmware CVE-2022-38956

MEDIUM

Improper Validation of Integrity Check Value (CWE-354)

2022-09-20 cve@mitre.org

Netgear Information Disclosure Wpn824Ext Firmware

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Sep 20, 2022 - 18:15 nvd

MEDIUM 5.3

DescriptionNVD

An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to replace the user-uploaded firmware image with an original old firmware image. This affects Firmware 1.1.1_1.1.9 and earlier.

AnalysisAI

An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-354. An exploitable firmware downgrade vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to replace the user-uploaded firmware image with an original old firmware image. This affects Firmware 1.1.1_1.1.9 and earlier. Affected products include: Netgear Wpn824Ext Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.