CVE-2026-0399 — Stack-based Buffer Overflow in Sonicos

CWE-121 — Stack-based Buffer Overflow3 documents3 sources
Severity
4.9MEDIUMNVD
EPSS
0.1%
top 77.55%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Sonicwall Sonicos
Timeline
PublishedFeb 24

Description

Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API endpoint.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 1.2 | Impact: 3.6

Affected Packages2 packages

▶NVDsonicwall/sonicos< 7.3.2-7010+1
▶CVEListV5sonicwall/sonicos7.0.1-5169 and older versions, 7.3.1-7013 and older versions, 8.1.0-8017 and older versions+2

🔴Vulnerability Details

2
GHSA
GHSA-pq5g-x5q3-3g25: Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API↗2026-02-24
▶
CVEList
CVE-2026-0399: Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API↗2026-02-24
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CVE-2026-0399 — Stack-based Buffer Overflow in Sonicos | cvebase