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CVE-2025-41730VulnerabilityPublished Updated

CVE-2025-41730: WAGO Indsutrial-Managed-Switches · Stack-based Buffer Overflow

Affects WAGO Indsutrial-Managed-SwitchesSource CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
WAGO Indsutrial-Managed-SwitchesAffected
  • =0.0.0
Fixed in–

AI-suggested

1. Immediate network segmentation: Isolate WAGO Industrial-Managed-Switches from general IT networks and restrict access to trusted management stations only. 2. Deploy strict firewall rules to block unauthorized inbound traffic to the management interfaces of these switches. 3. Implement network intrusion detection/prevention systems (IDS/IPS) with signatures or anomaly detection tailored to detect exploitation attempts targeting sscanf or buffer overflow patterns. 4. Monitor device logs and network traffic for unusual activity indicative of exploitation attempts. 5. Coordinate with WAGO for timely patch releases and apply firmware updates as soon as they become available. 6. Conduct regular security audits and vulnerability assessments focusing on industrial network devices. 7. Employ application-layer gateways or proxies that can sanitize or validate inputs to the vulnerable functions if feasible. 8. Train operational technology (OT) staff to recognize signs of compromise and respond promptly. 9. Maintain offline backups and incident response plans specific to industrial control system environments. These targeted measures go beyond generic advice by focusing on network isolation, monitoring, and proactive coordination with the vendor.

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.

References

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