Hidden CLI Function Allows Root Access
Priority MEDIUM 50CWE-912Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
An unauthenticated remote attacker can exploit a hidden function in the CLI prompt to escape the restricted interface, leading to full compromise of the device.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00691 53rd percentileScored 2026-11-07
Fix Fixed Lean Managed Switch 852-1812 (WAGO): V1.2.1.S0Lean Managed Switch 852-1813 (WAGO): V1.2.1.S0+14 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| WAGO | Lean Managed Switch 852-1812 | 0.0.0 to before V1.2.1.S0 | V1.2.1.S0 | Patch available | CNA |
| WAGO | Lean Managed Switch 852-1813 | 0.0.0 to before V1.2.1.S0 | V1.2.1.S0 | Patch available | CNA |
| WAGO | Lean Managed Switch 852-1813-000-001 | 0.0.0 to before V1.2.3.S0 | V1.2.3.S0 | Patch available | CNA |
| WAGO | Lean Managed Switch 852-1816 | 0.0.0 to before V1.2.1.S0 | V1.2.1.S0 | Patch available | CNA |
| WAGO | Industrial Managed Switch 852-303 | 0.0.0 to before V1.2.8.S0 | V1.2.8.S0 | Patch available | CNA |
| WAGO | Industrial Managed Switch 852-1305 | 0.0.0 to before V1.2.0.S0 | V1.2.0.S0 | Patch available | CNA |
| WAGO | Industrial Managed Switch 852-1305-000-001 | 0.0.0 to before V1.2.0.S0 | V1.2.0.S0 | Patch available | CNA |
| WAGO | Industrial Managed Switch 852-1505-000-001 | 0.0.0 to before V1.2.0.S0 | V1.2.0.S0 | Patch available | CNA |
| WAGO | Industrial Managed Switch 852-1505 | 0.0.0 to before V1.1.9.S0 | V1.1.9.S0 | Patch available | CNA |
| WAGO | Industrial Managed Switch 852-602 | 0.0.0 to before V1.0.6.S0 | V1.0.6.S0 | Patch available | CNA |
| WAGO | Industrial Managed Switch 852-603 | 0.0.0 to before V1.0.6.S0 | V1.0.6.S0 | Patch available | CNA |
| WAGO | Industrial Managed Switch 852-1605 | 0.0.0 to before V1.2.5.S0 | V1.2.5.S0 | Patch available | CNA |
| WAGO | Lean Managed Switch 852-1812-010-000 | 0.0.0 to before V1.2.1.S0 | V1.2.1.S0 | Patch available | CNA |
| WAGO | Lean Managed Switch 852-1813-010-000 | 0.0.0 to before V1.2.1.S0 | V1.2.1.S0 | Patch available | CNA |
| WAGO | Lean Managed Switch 852-1816-010-000 | 0.0.0 to before V1.2.1.S0 | V1.2.1.S0 | Patch available | CNA |
| WAGO | Lean Managed Switch 852-1813/010-001 | 0.0.0 to before V1.2.1.S0 | V1.2.1.S0 | Patch available | CNA |
- Lean Managed Switch 852-1812 VendorWAGO Affected 0.0.0 to before V1.2.1.S0 Fixed in V1.2.1.S0 Patch available CNA
- Lean Managed Switch 852-1813 VendorWAGO Affected 0.0.0 to before V1.2.1.S0 Fixed in V1.2.1.S0 Patch available CNA
- Lean Managed Switch 852-1813-000-001 VendorWAGO Affected 0.0.0 to before V1.2.3.S0 Fixed in V1.2.3.S0 Patch available CNA
- Lean Managed Switch 852-1816 VendorWAGO Affected 0.0.0 to before V1.2.1.S0 Fixed in V1.2.1.S0 Patch available CNA
- Industrial Managed Switch 852-303 VendorWAGO Affected 0.0.0 to before V1.2.8.S0 Fixed in V1.2.8.S0 Patch available CNA
- Industrial Managed Switch 852-1305 VendorWAGO Affected 0.0.0 to before V1.2.0.S0 Fixed in V1.2.0.S0 Patch available CNA
- Industrial Managed Switch 852-1305-000-001 VendorWAGO Affected 0.0.0 to before V1.2.0.S0 Fixed in V1.2.0.S0 Patch available CNA
- Industrial Managed Switch 852-1505-000-001 VendorWAGO Affected 0.0.0 to before V1.2.0.S0 Fixed in V1.2.0.S0 Patch available CNA
- Industrial Managed Switch 852-1505 VendorWAGO Affected 0.0.0 to before V1.1.9.S0 Fixed in V1.1.9.S0 Patch available CNA
- Industrial Managed Switch 852-602 VendorWAGO Affected 0.0.0 to before V1.0.6.S0 Fixed in V1.0.6.S0 Patch available CNA
- Industrial Managed Switch 852-603 VendorWAGO Affected 0.0.0 to before V1.0.6.S0 Fixed in V1.0.6.S0 Patch available CNA
- Industrial Managed Switch 852-1605 VendorWAGO Affected 0.0.0 to before V1.2.5.S0 Fixed in V1.2.5.S0 Patch available CNA
- Lean Managed Switch 852-1812-010-000 VendorWAGO Affected 0.0.0 to before V1.2.1.S0 Fixed in V1.2.1.S0 Patch available CNA
- Lean Managed Switch 852-1813-010-000 VendorWAGO Affected 0.0.0 to before V1.2.1.S0 Fixed in V1.2.1.S0 Patch available CNA
- Lean Managed Switch 852-1816-010-000 VendorWAGO Affected 0.0.0 to before V1.2.1.S0 Fixed in V1.2.1.S0 Patch available CNA
- Lean Managed Switch 852-1813/010-001 VendorWAGO Affected 0.0.0 to before V1.2.1.S0 Fixed in V1.2.1.S0 Patch available CNA
Remediation
- Fix · CNA Lean Managed Switch 852-1812 (WAGO) Fixed in V1.2.1.S0
- Fix · CNA Lean Managed Switch 852-1813 (WAGO) Fixed in V1.2.1.S0
- Fix · CNA Lean Managed Switch 852-1813-000-001 (WAGO) Fixed in V1.2.3.S0
- Fix · CNA Lean Managed Switch 852-1816 (WAGO) Fixed in V1.2.1.S0
- Fix · CNA Industrial Managed Switch 852-303 (WAGO) Fixed in V1.2.8.S0
- Fix · CNA Industrial Managed Switch 852-1305 (WAGO) Fixed in V1.2.0.S0
- Fix · CNA Industrial Managed Switch 852-1305-000-001 (WAGO) Fixed in V1.2.0.S0
- Fix · CNA Industrial Managed Switch 852-1505-000-001 (WAGO) Fixed in V1.2.0.S0
- Fix · CNA Industrial Managed Switch 852-1505 (WAGO) Fixed in V1.1.9.S0
- Fix · CNA Industrial Managed Switch 852-602 (WAGO) Fixed in V1.0.6.S0
- Fix · CNA Industrial Managed Switch 852-603 (WAGO) Fixed in V1.0.6.S0
- Fix · CNA Industrial Managed Switch 852-1605 (WAGO) Fixed in V1.2.5.S0
- Fix · CNA Lean Managed Switch 852-1812-010-000 (WAGO) Fixed in V1.2.1.S0
- Fix · CNA Lean Managed Switch 852-1813-010-000 (WAGO) Fixed in V1.2.1.S0
- Fix · CNA Lean Managed Switch 852-1816-010-000 (WAGO) Fixed in V1.2.1.S0
- Fix · CNA Lean Managed Switch 852-1813/010-001 (WAGO) Fixed in V1.2.1.S0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3587
- 2026-10-03 Alias added: GHSA-4r7q-86hg-h98x
- 2026-10-16 EPSS moved to the 50th–90th percentile
References
More WAGO vulnerabilities
- TI-2023-01594 WAGO: WBM Command Injection in multiple products CVSS 3.1CRITICAL 9.8
- TI-2020-06893 eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions. CVSS 3.1CRITICAL 9.8
- TI-2018-09314 An issue was discovered on WAGO e!DISPLAY 762-3000 through 762-3003 devices with firmware… CVSS 3.1HIGH 8.8
- TI-2025-18921 Unauthenticated File Read via Web Interface CVSS 3.1MEDIUM 4.9
- TI-2026-18391 Stack Overflow via Oversized Cookie Fields in lighttpd CVSS 3.1CRITICAL 9.8
- TI-2026-18390 Stack Overflow via SESSIONID Cookie in lighttpd CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-3587 · CVE Program
- CVE-2026-3587 · NVD
- FIRST EPSS
- GHSA-4r7q-86hg-h98x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences