Cisco Small Business 250 Series Smart Switches

productDE

cpe:/h:cisco:small_business:250_series_smart_switches

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

by severity

8critical1high0medium0low

updated 2026-10-28

vulnerabilities (9)

Related CVEs.

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ID	severity	EPSS	exploitable	patched	published	affected
CVE-2023-20189US	critical9.8	12.0% (96th)	—	no fix	2023-05-18	—
CVE-2023-20161US	critical9.8	11.1% (96th)	—	no fix	2023-05-18	—
CVE-2023-20160US	critical9.8	11.1% (96th)	—	no fix	2023-05-18	—
CVE-2023-20159US	critical9.8	11.1% (96th)	—	no fix	2023-05-18	—
CVE-2023-20024US	high7.5	1.58% (75th)	—	no fix	2023-05-18	—
CVE-2023-20162US	critical9.8	1.51% (74th)	—	no fix	2023-05-18	—
CVE-2023-20158US	critical9.8	1.51% (74th)	—	no fix	2023-05-18	—
CVE-2023-20157US	critical9.8	1.51% (74th)	—	no fix	2023-05-18	—
CVE-2023-20156US	critical9.8	1.51% (74th)	—	no fix	2023-05-18	—

The flaw types (CWEs) most of these CVEs share.

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')9 CVEs
CWE-121Stack-based Buffer Overflow1 CVEs
CWE-122Heap-based Buffer Overflow1 CVEs
CWE-20Improper Input Validation1 CVEs
CWE-200Exposure of Sensitive Information to an Unauthorized Actor1 CVEs

Which sources assert this record, and when.

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