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Critical 9.8Published Dec 10, 2025

CVE-2025-41730An 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.

Updated under an hour ago ()

Does this affect you?

It affects wago 0852-1328_firmware and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-121, CWE-787
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Sep 25, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
wago 0852-1328_firmware
wago:0852-1328_firmware
before 02.64
NVD
wago 0852-1322_firmware
wago:0852-1322_firmware
before 02.64
NVD

References

  • third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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