CVE-2026-121932

critical

Description

A vulnerability was detected in Linksys E5350 1.0.00.037. This affects the function system of the file /wizard/apply.cgi. Performing a manipulation of the argument ping_ip/traceroute_ip results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

https://www.linksys.com/

https://vuldb.com/vuln/431044/cti

https://vuldb.com/vuln/431044

https://vuldb.com/submit/1024277

https://vuldb.com/submit/1024275

https://vuldb.com/cve/CVE-2026-121932

https://github.com/Zimo-666/E5350-cves/tree/main/01-wizard-preauth-command-injection

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-117050

Details

Source: Mitre, NVD

Published: 2026-11-04

Updated: 2026-11-04

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 10

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

Severity: Critical

CVSS v4

Base Score: 10

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Severity: Critical