CVE Explorer
CVE-2026-20185
A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco 350 Series Managed Switches (SG350) and Cisco 350X Series Stackable Managed Switches (SG350X) firmware could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
This vulnerability is due to improper error handling when parsing response data for a specific SNMP request. An attacker could exploit this vulnerability by sending a specific SNMP
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"Cisco Small Business Smart and Managed Switches","vendor":"Cisco","versions":[{"status":"affected","version":"2.5.9.54"},{"status":"affected","version":"2.5.9.55"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:0c00a145d055627a67eb7d861a7e9d02f802596c7843bdcbd01859cd6dda63e2 · sha256:9a157e08a7d48654… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:0c00a145d055627a67eb7d861a7e9d02f802596c7843bdcbd01859cd6dda63e2 · sha256:9a157e08a7d48654… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-122","description":"Heap-based Buffer Overflow","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:0c00a145d055627a67eb7d861a7e9d02f802596c7843bdcbd01859cd6dda63e2 · sha256:9a157e08a7d48654… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"cisco-sa-sg350-snmp-dos-GEFZr2Tj","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sg350-snmp-dos-GEFZr2Tj"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:0c00a145d055627a67eb7d861a7e9d02f802596c7843bdcbd01859cd6dda63e2 · sha256:9a157e08a7d48654… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.