CVE-2022-27947

Name: CVE-2022-27947
Creator: NVD / NIST
Published: 2022-03-26T17:15:10.8+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.82%

Last modified Jun 17, 2026

CVE-2022-27947 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. NETGEAR R8500 1.0.2.158 devices allow remote authenticated users to execute arbitrary commands (such as telnetd) via shell metacharacters in the ipv6_fix.cgi ipv6_wan_ipaddr, ipv6_lan_ipaddr, ipv6_wan_length, or ipv6_lan_length parameter.. EPSS estimates a 2.82% chance of exploitation in the next 30 days.

Description

NETGEAR R8500 1.0.2.158 devices allow remote authenticated users to execute arbitrary commands (such as telnetd) via shell metacharacters in the ipv6_fix.cgi ipv6_wan_ipaddr, ipv6_lan_ipaddr, ipv6_wan_length, or ipv6_lan_length parameter.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.82%

84.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Netgear	R8500 Firmware	1.0.2.158

References

https://github.com/donothingme/VUL/blob/main/vul1/1.mdExploit, Patch, Third Party Advisory
https://github.com/donothingme/VUL/blob/main/vul1/1.mdExploit, Patch, Third Party Advisory

Timeline

Published: Mar 26, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-27947?

How severe is CVE-2022-27947?

CVE-2022-27947 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.82% probability of exploitation in the next 30 days.

How do I fix CVE-2022-27947?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-27947?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST