ABB Warns ASPECT 3.09 and Earlier Are Exposed to PHP2Shell

P1 — VALIDATE AND UPDATEHigh to Critical · 8.1 / 9.8 (CVSS v3.1)EXPLOITATION: NOT STATED

Quick Answer

ABB advisory 9AKK108473A4963 covers ASPECT-Enterprise, NEXUS, and MATRIX products at 3.09.00 and earlier. Remove direct internet exposure, restrict network and physical access, update to the latest available firmware, monitor affected nodes, and retain configuration and evidence while awaiting a complete remedy.

Confirm Scope And Apply The Supported Remediation

What to do now: Inventory ASPECT-Enterprise, NEXUS, and MATRIX nodes, exact firmware, management paths, internet or NAT exposure, remote-access gateways, credentials, owners, backups, and safety dependencies. Match each device to ABB's exact product variants and version boundary; do not infer that every ABB building product is affected or that network reachability proves compromise. Immediately remove direct internet and NAT exposure, place the system behind a restricted firewall and maintained VPN where remote access is required, change default credentials, protect logs, and install the latest available ABB firmware while tracking the advisory for a complete remedy. Confirm firmware and access paths, test building-management functions with the accountable facilities owner, review unusual PHP requests, processes and outbound traffic where exposure existed, preserve logs, and retain change evidence.

Open the authoritative advisory

Last verified: 2026-10-30 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.

Scope And Authority

Product scopeABB ASPECT-Enterprise ASP-ENT-x, NEXUS NEXUS-3-x and NEX-2x, and MATRIX MAT-x building-management products
Advisory9AKK108473A4963
CVEsCVE-2026-109618, CVE-2026-109619
Authoritative release date2026-10-29 00:30:00 UTC
Authority revision date2026-10-29 00:30:00 UTC
Affected versionsABB ASPECT-Enterprise, NEXUS, and MATRIX product variants listed in 9AKK108473A4963 at version 3.09.00 and earlier.
Fixed versionNo complete firmware remedy was available at publication; ABB directs customers to the latest available firmware and its isolation and access-control mitigations
CVSS base score8.1 / 9.8 (CVSS v3.1)
CVSS severityHigh to Critical
Exploitation statusABB had received no information indicating exploitation when the advisory was issued.; no exploitation claim is inferred.

What Changed

ABB says a network attacker who can reach an affected ASPECT node may execute arbitrary code; the authority had no complete firmware remedy at publication.

What To Validate Now

  1. Inventory. Inventory ASPECT-Enterprise, NEXUS, and MATRIX nodes, exact firmware, management paths, internet or NAT exposure, remote-access gateways, credentials, owners, backups, and safety dependencies.
  2. Establish applicability. Match each device to ABB's exact product variants and version boundary; do not infer that every ABB building product is affected or that network reachability proves compromise.
  3. Remediate. Immediately remove direct internet and NAT exposure, place the system behind a restricted firewall and maintained VPN where remote access is required, change default credentials, protect logs, and install the latest available ABB firmware while tracking the advisory for a complete remedy.
  4. Validate. Confirm firmware and access paths, test building-management functions with the accountable facilities owner, review unusual PHP requests, processes and outbound traffic where exposure existed, preserve logs, and retain change evidence.
  5. Retain evidence. Preserve asset and owner identifiers, the applicability decision, before-and-after versions, change approval, installation output, validation results, and any exception or rollback record.

Operational Cautions

ABB states that no firmware update fully remedied the issue at publication. These systems can support physical operations, so coordinate isolation and updates with facility and safety owners.

Evidence To Retain

  • Exact product, release stream, package or application version, enabled feature, environment, and accountable owner.
  • UTC timestamps, authority revision, approved change record, installer or package-manager output, and resulting version.
  • Relevant logs and monitoring evidence, test results, exceptions, compensating controls, and rollback decisions.

Related TechGeeks Resources

Authoritative References

Correction policy: If the authority changes affected versions, fixed versions, severity, exploitation information, mitigations, or required action, TechGeeks will update this notice and its verification date.