SonicWall SonicOS: Schwachstelle ermöglicht Offenlegung von Informationen
WID-SEC-2026-2671 · first 06.08.2026 · updated 06.08.2026 · CVSS 4,3
What it is about
SonicOS ist das Betriebssystem von SonicWall Firewall-Produkten. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in SonicWall SonicOS ausnutzen, um Informationen offenzulegen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- Informationen offenzulegen
Am I affected?
Affected according to the BSI:
- SonicWall SonicOS Gen8 <8.2.2-8015
- SonicWall SonicOS Gen6 Hardware Firewalls
- SonicWall SonicOS Gen6 NSv
- SonicWall SonicOS Gen7 NSv
- SonicWall SonicOS Gen7 Firewalls
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- SonicWall SonicOS Gen8 8.2.2-8015
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Sonic Security Advisory vom 2026-08-05 psirt.global.sonicwall.com
CVE: CVE-2026-0516
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.