# CVE-2026-121932: Linksys E5350 apply.cgi system os command injection

Status: published. Published: 2026-11-04. Updated: 2026-11-04.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Linksys / E5350: 1.0.00.037 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 10 (critical); 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/E:P; source: CNA: VulDB

- CVSS 3.1: 10 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 3.0: 10 (critical); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C; source: CNA: VulDB

- CVSS 2.0: 10 (critical); AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-78, CWE-77

## Exploit evidence

- exploit: https://github.com/Zimo-666/E5350-cves/tree/main/01-wizard-preauth-command-injection (CNA: VulDB)

## References

- https://vuldb.com/vuln/431044 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/431044/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-121932 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1024275 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1024277 (CNA: VulDB; third-party-advisory)

- https://github.com/Zimo-666/E5350-cves/tree/main/01-wizard-preauth-command-injection (CNA: VulDB; exploit)

- https://www.linksys.com/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-121932; retrieved 2026-11-04; source updated 2026-11-04

Revision: cba7ecc78578ee459315c143e61ee4bb405deccdd89a57bed5ed0cc1b776f3a9

Canonical: https://y2.dev/cve/CVE-2026-121932

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