Unauthenticated remote admin operations against widely deployed SonicWall firewalls can disrupt network security and configs across many orgs; high-impact, broadly relevant.
CVE-2026-107155
Permissive cross-domain policy in SonicOS enables unauthenticated remote admin operations.
Is CVE-2026-107155 being exploited?
Not confirmed. CVE-2026-107155 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.
How severe is CVE-2026-107155?
CVE-2026-107155 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-107155?
Not known from our data. No patch reference has been recorded for CVE-2026-107155, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-107155 affect?
CVE-2026-107155 affects SonicWall SonicOS management interface, SonicWall firewall management plane. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-107155?
Block admin UI from internet, enforce management ACLs, monitor logs, apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker can abuse the permissive cross-domain policy to invoke management actions, modify configuration, access data, or gain admin control on SonicOS.
Immediate action required
- affected7.3.3-7015 and older versions
- affected8.2.2-8015 and older versions
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
cisa ssvc
- exploitation
- none
- automatable
- no
- technical impact
- total
Assessed by CISA 6 Nov 2026 (SSVC 2.0.3).
timeline
- 6 Nov 2026CISA SSVC assessment: exploitation none
- 6 Nov 2026Published · 1 day later
- 7 Nov 2026CVE record last updated · same day later
- 7 Nov 2026Analysed by vulneraibility.com · same day later
- Advisorypsirt.global.sonicwall.com /vuln-detail/SNWLID-2026-0014
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.