What is CVE-2026-102257?

CVE-2026-102257 is a high-severity vulnerability in SonicWall Sma1000, classified under Path Traversal. CVSS score: 7.2/10. Published 2026-10-07.

How severe is CVE-2026-102257?

High severity. CVSS v3 base score is 7.2 out of 10.

Path Traversal in SonicWall Sma1000

CVE-2026-102257

A Zip Slip vulnerability in the in the SMA1000 Appliance Management Console (AMC) interface allows an attacker to extract files outside the intended destination directory using a specially crafted archive, resulting in remote code execution.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-10-07 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/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-22 — Path Traversal

References

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

Frequently asked questions

What is CVE-2026-102257?: CVE-2026-102257 is a high-severity vulnerability in SonicWall Sma1000, classified under Path Traversal. CVSS score: 7.2/10. Published 2026-10-07.
How severe is CVE-2026-102257?: High severity. CVSS v3 base score is 7.2 out of 10.