CVE-2025-9574: ABB ALS-mini-s4 IP · Missing Authentication
Affects ABB ALS-mini-s4 IPSource CVE Database V5
Not known to be exploited · CVSS 9.9 Critical.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 55% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:H/S:N/AU:Y/R:U/V:D/RE:M/U:RedExploitation evidence
Disclosed: evidence found.
CVE published 20 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ABB ALS-mini-s4 IP | Affected
| Fixed in– |
AI-suggested
1. Immediately implement network segmentation to isolate ABB ALS-mini devices from general IT networks and restrict access to trusted management stations only. 2. Deploy strict firewall rules and access control lists (ACLs) to limit inbound traffic to these devices, allowing only necessary protocols and known IP addresses. 3. Monitor network traffic for unusual or unauthorized access attempts targeting these devices, using intrusion detection/prevention systems (IDS/IPS) tailored for industrial protocols. 4. Engage with ABB support and regularly check for firmware updates or security advisories addressing this vulnerability; prioritize patching as soon as a fix is available. 5. Where possible, disable or restrict access to vulnerable functions until patches are applied. 6. Conduct thorough asset inventories to identify all affected devices by serial number and firmware version. 7. Train operational technology (OT) personnel on recognizing signs of exploitation and enforcing secure device management practices. 8. Consider deploying compensating controls such as VPNs with strong authentication for remote access to these devices. 9. Collaborate with national cybersecurity agencies and industry groups to share threat intelligence and best practices related to this vulnerability.
Description
Missing Authentication for Critical Function vulnerability in ABB ALS-mini-s4 IP, ABB ALS-mini-s8 IP.This issue affects . All firmware versions with the Serial Number from 2000 to 5166