SonicOS

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

SonicOS

Product reference — SonicOS by Sonicwall · sector: Network & Infrastructure. Cumulative disclosure record for this product across the archive.

Product totals

Disclosures & known-exploited
	All-time	YTD
CVEs	4	1
KEV entries	3	0

Rate & severity
KEV/100	Med CVSS	Med EPSS	C	H	M	L
75.0	8.2	.2137	1	0	1	0

KEV/100 = KEV entries ÷ CVEs × 100. Med CVSS / Med EPSS are medians over this product's disclosures. C/H/M/L = disclosures by CVSS severity band.

Monthly disclosures

Trend (by first-seen month, full archive): █▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█

Last 12 months (new CVEs by first-seen day)
Month	New CVEs
2025-09	0
2025-10	0
2025-11	0
2025-12	0
2026-01	0
2026-02	0
2026-03	0
2026-04	0
2026-05	0
2026-06	0
2026-07	0
2026-08	1

Notable CVEs

Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.

Notable (ranked)
CVE	CVSS	EPSS %ile	Severity	KEV	First seen
CVE-2024-53704	9.8	99.9	CRITICAL	YES	2025-02-18
CVE-2020-5135	—	97.7	—	YES	2022-03-15
CVE-2024-40766	—	97.0	—	YES	2024-09-09
CVE-2026-0516	6.5	10.8	MEDIUM	—	2026-08-05

Recent CVEs

Most recently seen
CVE	CVSS	EPSS %ile	Severity	KEV	First seen
CVE-2026-0516	6.5	10.8	MEDIUM	—	2026-08-05
CVE-2024-53704	9.8	99.9	CRITICAL	YES	2025-02-18
CVE-2024-40766	—	97.0	—	YES	2024-09-09
CVE-2020-5135	—	97.7	—	YES	2022-03-15

KEV entries

CISA Known Exploited Vulnerabilities (newest addition first)
CVE	KEV added	CVSS	EPSS %ile	Severity
CVE-2024-53704	2025-02-18	9.8	99.9	CRITICAL
CVE-2024-40766	2024-09-09	—	97.0	—
CVE-2020-5135	2022-03-15	—	97.7	—

Vendor: Sonicwall — all products and the full vendor record.

Methodology

A product is a (vendor, product) pair as named in the affected-product data. Rate statistics are arithmetic over published figures. Counts key to first-seen day. Raw counts are not comparable across products; this is a reference page assembled from the public record, not a ranking by our judgment.