SonicWall GMS: Mehrere Schwachstellen
WID-SEC-2026-2764 · first 12.08.2026 · updated 12.08.2026 · CVSS 9,4
What it is about
Das SonicWall Global Management System (GMS) dient der zentralen Verwaltung von SonicWall Firewalls. Ein Angreifer kann mehrere Schwachstellen in SonicWall GMS ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code – einschließlich Code mit Root-Rechten – auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen und Cross-Site-Scripting-Angriffe durchzuführen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- seine Privilegien zu erhöhen
- beliebigen Code – einschließlich Code mit Root-Rechten – auszuführen
- Sicherheitsmaßnahmen zu umgehen
- Daten zu manipulieren
- vertrauliche Informationen offenzulegen
- Cross-Site-Scripting-Angriffe durchzuführen
Am I affected?
Affected according to the BSI:
- SonicWall GMS <9.5.2
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- SonicWall GMS 9.5.2
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)
- SonicWall Security Advisory vom 2026-08-11 psirt.global.sonicwall.com
CVE: CVE-2026-18634, CVE-2026-66145, CVE-2026-66146, CVE-2026-66147, CVE-2026-66148, CVE-2026-66154
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.