Unauthenticated remote session validation flaw in SonicWall SonicOS management — impacts widely deployed enterprise firewalls and can alter perimeter security, likely to be high-profile.
CVE-2026-107154
Unauthenticated session validation bug in SonicOS management allows unauthorized operations.
Is CVE-2026-107154 being exploited?
Not confirmed. CVE-2026-107154 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. EPSS currently estimates a 0.69% probability of exploitation in the next 30 days.
How severe is CVE-2026-107154?
CVE-2026-107154 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-2026-107154?
Not known from our data. No patch reference has been recorded for CVE-2026-107154, 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-2026-107154 affect?
CVE-2026-107154 affects SonicWall SonicOS (management interface), SonicWall firewalls/appliances, SonicWall VPN/UTM devices. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-107154?
Restrict management access, enable MFA, monitor logs, and apply vendor updates/mitigations ASAP.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated attacker can bypass session validation to perform unauthorized management actions (change config, disable protections, enable access).
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 2026Published
- 6 Nov 2026CISA SSVC assessment: exploitation none · same day later
- 6 Nov 2026CVE record last updated · same day later
- 9 Nov 2026Analysed by vulneraibility.com · 3 days 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.