PT-2026-21745 · Sonicwall · Sonicos

Published 2026-02-24 · Updated 2026-02-25 · CVE-2026-0399

Positive Technologies (AI Summary)

CVSS v3.1

4.9

Medium

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions SonicOS (affected versions not specified)

Description The software contains post-authentication stack-based buffer overflow vulnerabilities within its management interface. These issues stem from insufficient bounds checking in an ''API endpoint''. The vulnerabilities could potentially allow an attacker to compromise the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

CVE-2026-0399

Affected Products

Sonicos

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-0399 · Security Note
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0001 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-0399 · Vendor Advisory
• https://twitter.com/CVEnew/status/2026676468378648579 · Twitter Post