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Luu, T.J.

🔥 This vulnerability is being actively exploited in the wild (CISA Known Exploited Vulnerabilities catalog)

CVE-2026-83548: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

infovulnerability🔥 Actively Exploited

security

Source: CISA Known Exploited VulnerabilitiesSeptember 1, 2026CVE-2026-83548

Summary

SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability (SSRF, a bug where an attacker tricks a server into making unauthorized requests on their behalf) that allows unauthenticated remote attackers to access sensitive features and perform unauthorized operations. This vulnerability is actively being exploited by real attackers. Organizations must apply vendor-provided mitigations by September 5, 2026, following CISA's BOD 26-04 guidance on prioritizing security updates.

Solution / Mitigation

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA's BOD 26-04 guidance. For cloud services, follow applicable BOD 26-04 guidance or discontinue use of the product if mitigations are unavailable. Stakeholders must evaluate each asset's internet exposure and ensure adherence to BOD 26-04 patching guidelines. See vendor details at https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016.

Vulnerability Details

EPSS (30-day exploit probability)

EPSS: 0.3%

Patch Available

Yes

Exploit Maturity

🔥 Actively Exploited

Disclosure Date

September 1, 2026

Classification

Attack SophisticationModerate

Taxonomy References

CWE (Weakness Type)

CWE-918 CWE-441

CAPEC (Attack Pattern)

CAPEC-664

Monthly digest — independent AI security research

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-83548

First tracked: September 2, 2026 at 02:00 PM

Classified by LLM (prompt v3) · confidence: 95%