How severe is CVE-2026-83548?

CVE-2026-83548 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-83548 being actively exploited?

Yes. CVE-2026-83548 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-02, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2026-83548?

CVE-2026-83548 primarily affects Sonicwall Sma8200v. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-83548?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

When was CVE-2026-83548 published?

CVE-2026-83548 was published on 2026-09-01 and last updated on 2026-09-03.

CVE-2026-83548

CVE-2026-83548 is a critical-severity vulnerability in Sonicwall Sma8200v with a CVSS 3.x base score of 10.0. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-09-02). The underlying weakness is classified as CWE-441.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-09-02)
Weakness: CWE-441
Affected product: Sonicwall Sma8200v
Published: 2026-09-01
Last modified: 2026-09-03

Description

A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path. A remote unauthenticated attacker could potentially exploit this vulnerability to gain unauthorized access to sensitive functionality and perform unauthorized operations.

Frequently asked questions

What is CVE-2026-83548?: A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path. A remote unauthenticated attacker could potentially exploit this vulnerability to gain unauthorized access to sensitive functionality and perform unauthorized operations.
How severe is CVE-2026-83548?: CVE-2026-83548 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-83548 being actively exploited?: Yes. CVE-2026-83548 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-02, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-83548?: CVE-2026-83548 primarily affects Sonicwall Sma8200v. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-83548?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
When was CVE-2026-83548 published?: CVE-2026-83548 was published on 2026-09-01 and last updated on 2026-09-03.

References

Affected products (3)

cpe:2.3:a:sonicwall:sma8200v:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma6210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma7210_firmware:*:*:*:*:*:*:*:*

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