Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-25823

HMS Networks Ewon Flexy with firmware before 15.0s4, Cosy+ with firmware 22.xx before 22.1s6, and Cosy+ with firmware 23.xx before 23.0s3 have a stack buffer overflow that leads to a Denial of Service, which can also be exploited to achieve Unauthenticated Remote Code Execution.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a6657e806decf28d3899426c042aa4042368754c62d0fde395c09a5fd61d6bd9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:046db0acf53f9c6b19db2c83a0f198d3089ef952660afe1db1f7dc4aeb8f5eaa · sha256:45fd56e897821685… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:046db0acf53f9c6b19db2c83a0f198d3089ef952660afe1db1f7dc4aeb8f5eaa · sha256:45fd56e897821685… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:046db0acf53f9c6b19db2c83a0f198d3089ef952660afe1db1f7dc4aeb8f5eaa · sha256:45fd56e897821685… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:046db0acf53f9c6b19db2c83a0f198d3089ef952660afe1db1f7dc4aeb8f5eaa · sha256:45fd56e897821685… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:046db0acf53f9c6b19db2c83a0f198d3089ef952660afe1db1f7dc4aeb8f5eaa · sha256:45fd56e897821685… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:046db0acf53f9c6b19db2c83a0f198d3089ef952660afe1db1f7dc4aeb8f5eaa · sha256:45fd56e897821685… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurity/security-advisory/hms-security-advisory-2026-03-09-001---ewon-several-flexy-and-cosy--vulnerabilities.pdf?sfvrsn=f7c027b8_13"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:046db0acf53f9c6b19db2c83a0f198d3089ef952660afe1db1f7dc4aeb8f5eaa · sha256:45fd56e897821685… · /containers/cna/references/1
{"url":"https://www.hms-networks.com/p/flexy20500-00ma-ewon-flexy-205"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:046db0acf53f9c6b19db2c83a0f198d3089ef952660afe1db1f7dc4aeb8f5eaa · sha256:45fd56e897821685… · /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.

← Back to CVE Explorer