ABB Warns Obsolete ARM600 and Arctic Gateways Face PHP2Shell
Tech GuruQuick Answer
ABB advisory 2NGA003224 covers obsolete ARM600 and Arctic gateway variants exposed to PHP2Shell. Inventory exact models and versions, remove direct internet access, restrict management through private APN or VPN paths, plan replacement, monitor exposed systems, and retain evidence.
Confirm Scope And Apply The Supported Remediation
What to do now: Inventory every ARM600 and Arctic ARG600, ARP600, ARR600, and ARC600 variant, exact software, web-management paths, internet or NAT exposure, credentials, owners, backups, and operational dependencies. Match the exact order code and version to ABB's table; do not infer that all ABB gateways are affected or that reachability proves compromise. Remove direct internet exposure, use a private APN or maintained VPN and DMZ, allowlist management sources, change defaults, isolate the asset, monitor it, and replace obsolete hardware. Confirm firewall and remote-access paths, test required telemetry and control functions, review web requests, processes and outbound traffic where exposure existed, preserve logs, and retain evidence.
Last verified: 2026-10-30 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.
Scope And Authority
| Product scope | ABB ARM600 and Arctic ARG600, ARP600, ARR600, and ARC600 gateway variants listed in 2NGA003224 |
|---|---|
| Advisory | 2NGA003224 |
| CVEs | CVE-2026-109618, CVE-2026-109619 |
| Authoritative release date | 2026-10-30 00:30:00 UTC |
| Authority revision date | 2026-10-30 00:30:00 UTC |
| Affected versions | The 32 obsolete advisory-listed variants, generally Arctic releases through 3.4.13 and ARM600 releases through 5.0.3; use ABB's exact product table. |
| Fixed version | No security update is planned because the listed products are obsolete; replace them and apply ABB's network-isolation mitigations |
| CVSS base score | 8.1 / 9.8 (CVSS v3.1) |
| CVSS severity | High to Critical |
| Exploitation status | ABB does not state that these vulnerabilities are being maliciously exploited against the listed products.; no exploitation claim is inferred. |
What Changed
ABB says a reachable vulnerable web interface can permit remote code execution; affected products are obsolete and will not receive a security update.
What To Validate Now
- Inventory. Inventory every ARM600 and Arctic ARG600, ARP600, ARR600, and ARC600 variant, exact software, web-management paths, internet or NAT exposure, credentials, owners, backups, and operational dependencies.
- Establish applicability. Match the exact order code and version to ABB's table; do not infer that all ABB gateways are affected or that reachability proves compromise.
- Remediate. Remove direct internet exposure, use a private APN or maintained VPN and DMZ, allowlist management sources, change defaults, isolate the asset, monitor it, and replace obsolete hardware.
- Validate. Confirm firewall and remote-access paths, test required telemetry and control functions, review web requests, processes and outbound traffic where exposure existed, preserve logs, and retain evidence.
- 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
No security update is planned. Coordinate isolation and replacement with operational and safety owners so exposure reduction does not disrupt essential control paths.
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.
