CVE-2025-41730

Stack-based buffer overflow via unsafe sscanf in check_account()

Published Dec 10, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
An unauthenticated remote attacker can abuse unsafe sscanf calls within the check_account() function to write arbitrary data into fixed-size stack buffers which leads to full device compromise.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wago 0852-1322
Wago 0852-1322 Firmware
Wago 0852-1328
Wago 0852-1328 Firmware
Weaknesses CWE-787
CPEs cpe:2.3:h:wago:0852-1322:-:*:*:*:*:*:*:*
cpe:2.3:h:wago:0852-1328:-:*:*:*:*:*:*:*
cpe:2.3:o:wago:0852-1322_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:wago:0852-1328_firmware:*:*:*:*:*:*:*:*
Vendors & Products Wago 0852-1322
Wago 0852-1322 Firmware
Wago 0852-1328
Wago 0852-1328 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wago
Wago industrial Managed Switches
Vendors & Products Wago
Wago industrial Managed Switches
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An unauthenticated remote attacker can abuse unsafe sscanf calls within the check_account() function to write arbitrary data into fixed-size stack buffers which leads to full device compromise.
Title Stack-based buffer overflow via unsafe sscanf in check_account()
Weaknesses CWE-121
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CERTVDE
Published
Updated
Dec 18, 2025, 8:40 PM
Reserved
Apr 16, 2025, 11:17 AM
Status
Analyzed
Published
Dec 10, 2025, 11:15 AM
Modified
Sep 25, 2026, 11:10 PM