CVE-2026-0206

Published: Apr 29, 2026Modified: Jun 17, 2026

4.9

Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.2 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

A post-authentication Stack-based Buffer Overflow vulnerabilities in SonicOS allows a remote attacker to crash a firewall.

Affected (4)

Products: Sonicwall: Sonicos

1 product

Configuration A

1 vulnerable · 29 platform

Vulnerable Software	Affected Versions
Sonicwall Sonicos	Before 6.5.5.2-28n

Running on/with	Platform Versions
Sonicwall Nsa 2650	All versions
Sonicwall Nsa 3600	All versions
Sonicwall Nsa 3650	All versions
Sonicwall Nsa 4600	All versions
Sonicwall Nsa 4650	All versions
Sonicwall Nsa 5600	All versions
Sonicwall Nsa 5650	All versions
Sonicwall Nsa 6600	All versions
Sonicwall Nsa 6650	All versions
Sonicwall Sm 9200	All versions
Sonicwall Sm 9250	All versions
Sonicwall Sm 9400	All versions
Sonicwall Sm 9450	All versions
Sonicwall Sm 9600	All versions
Sonicwall Sm 9650	All versions
Sonicwall Soho 250	All versions
Sonicwall Soho 250w	All versions
Sonicwall Sohow	All versions
Sonicwall Tz 300	All versions
Sonicwall Tz 300p	All versions
Sonicwall Tz 300w	All versions
Sonicwall Tz 350	All versions
Sonicwall Tz 350w	All versions
Sonicwall Tz 400	All versions
Sonicwall Tz 400w	All versions
Sonicwall Tz 500	All versions
Sonicwall Tz 500w	All versions
Sonicwall Tz 600	All versions
Sonicwall Tz 600p	All versions

Configuration B

2 vulnerable · 22 platform

Vulnerable Software	Affected Versions
Sonicwall Sonicos	From 7.0.0.0 to 7.0.1-5169
Sonicwall Sonicos	From 7.1.1-7040 to 7.3.2-7010

Running on/with	Platform Versions
Sonicwall Nsa 2700	All versions
Sonicwall Nsa 3700	All versions
Sonicwall Nsa 4700	All versions
Sonicwall Nsa 5700	All versions
Sonicwall Nsa 6700	All versions
Sonicwall Nssp 10700	All versions
Sonicwall Nssp 11700	All versions
Sonicwall Nssp 13700	All versions
Sonicwall Nssp 15700	All versions
Sonicwall Nsv 270	All versions
Sonicwall Nsv 470	All versions
Sonicwall Nsv 870	All versions
Sonicwall Tz270	All versions
Sonicwall Tz270w	All versions
Sonicwall Tz370	All versions
Sonicwall Tz370w	All versions
Sonicwall Tz470	All versions
Sonicwall Tz470w	All versions
Sonicwall Tz570	All versions
Sonicwall Tz570p	All versions
Sonicwall Tz570w	All versions
Sonicwall Tz670	All versions

Configuration C

1 vulnerable · 12 platform

Vulnerable Software	Affected Versions
Sonicwall Sonicos	From 8.0.0-8035 to 8.2.0-8009

Running on/with	Platform Versions
Sonicwall Nsa 2800	All versions
Sonicwall Nsa 3800	All versions
Sonicwall Nsa 4800	All versions
Sonicwall Nsa 5800	All versions
Sonicwall Tz280	All versions
Sonicwall Tz280w	All versions
Sonicwall Tz380	All versions
Sonicwall Tz380w	All versions
Sonicwall Tz480	All versions
Sonicwall Tz580	All versions
Sonicwall Tz680	All versions
Sonicwall Tz80	All versions

Related CWEs

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References (1)

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0004

Source: PSIRT@sonicwall.com

Vendor Advisory

Timeline

No history available yet.