What is CVE-2026-102256?

CVE-2026-102256 is a high-severity vulnerability in SonicWall Sma1000, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-10-07.

How severe is CVE-2026-102256?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in SonicWall Sma1000

CVE-2026-102256

Post-authentication Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability has been identified in the SMA1000 appliance which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-10-07 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

SonicWall Sma1000 — versions 12.4.3-03526 (platform-hotfix) and older versions, 12.5.0-02952 (platform-hotfix) and older versions

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0017 (vendor-advisory)

Frequently asked questions

What is CVE-2026-102256?: CVE-2026-102256 is a high-severity vulnerability in SonicWall Sma1000, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-10-07.
How severe is CVE-2026-102256?: High severity. CVSS v3 base score is 7.8 out of 10.