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CVE-2025-69209

🗓️ 21 Jan 2026 20:00:41Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 24 Views

There is a stack-based overflow in ArduinoCore-avr before 1.8.7 when converting floats to strings with high precision.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2025-69209
21 Jan 202620:00
attackerkb
circl
Circl
CVE-2025-69209
21 Jan 202622:03
circl
cnnvd
CNNVD
Arduino and AVR Board Security Vulnerabilities
21 Jan 202600:00
cnnvd
cvelist
Cvelist
CVE-2025-69209 ArduinoCore-avr has Stack-Based Buffer Overflow in WString Float/Double Constructors
21 Jan 202620:00
cvelist
debiancve
Debian CVE
CVE-2025-69209
21 Jan 202620:00
debiancve
euvd
EUVD
EUVD-2025-206313
21 Jan 202620:00
euvd
nvd
NVD
CVE-2025-69209
21 Jan 202620:16
nvd
osv
OSV
DEBIAN-CVE-2025-69209
21 Jan 202620:16
osv
osv
OSV
UBUNTU-CVE-2025-69209
21 Jan 202620:16
osv
ptsecurity
Positive Technologies
PT-2026-3858
21 Jan 202600:00
ptsecurity
Rows per page
Vulners
Node
[
  {
    "vendor": "arduino",
    "product": "ArduinoCore-avr",
    "versions": [
      {
        "version": "< 1.8.7",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS 46.9
EPSS0.00149
SSVC
24