What is CVE-2026-19703?

CVE-2026-19703 is a medium-severity vulnerability in SonicWall Sonicos, classified under Use of Hard-coded Credentials. CVSS score: 5.1/10. Published 2026-11-06.

How severe is CVE-2026-19703?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Vulnerability in SonicWall Sonicos

CVE-2026-19703

A weak password hashing vulnerability has been identified on SonicOS virtual appliances, which in specific conditions could potentially enable an attacker with existing local access to disclose a platform credential. The credential provides access to a limited subset of platform settings.

Published 2026-11-06 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N.

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 Sonicos — versions 7.3.3-7015 and older versions, 8.2.2-8015 and older versions

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0014 (vendor-advisory)

Frequently asked questions

What is CVE-2026-19703?: CVE-2026-19703 is a medium-severity vulnerability in SonicWall Sonicos, classified under Use of Hard-coded Credentials. CVSS score: 5.1/10. Published 2026-11-06.
How severe is CVE-2026-19703?: Medium severity. CVSS v3 base score is 5.1 out of 10.