CVE-2021-20166

8.8 highEPSS 2.1%

High (8.8) in netgear rax43 firmware. EPSS 2.1% chance of exploitation in the next 30 days.

Netgear RAX43 version 1.0.3.96 contains a buffer overrun vulnerability. The URL parsing functionality in the cgi-bin endpoint of the router containers a buffer overrun issue that can redirection control flow of the applicaiton.

Severity

CVSS 3.1

8.8 high

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

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2021-12-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

netgear:rax43_firmware

References

https://www.tenable.com/security/research/tra-2021-55
https://www.tenable.com/security/research/tra-2021-55

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