What’s Vulnerable › Vulnerabilities

CVE-2022-38955

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-09-20 · updated 2026-06-17
• Weakness: CWE-354

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.

Affected products

• NETGEAR Wpn824Ext Firmware: 1.1.1_1.1.9

References

• https://hackmd.io/%40eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s
• https://www.netgear.com/about/security/
• https://hackmd.io/%40eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s
• https://www.netgear.com/about/security/

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