Wago: Improper Neutralization of Input During Web Page Generation in multiple devices
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
An unauthenticated remote attacker can use an XSS attack due to improper neutralization of input during web page generation. User interaction is required. This leads to a limited impact of confidentiality and integrity but no impact of availability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.004 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 | Controller BACnet/IP | up to FW13 | — | No fix listed | CNA |
| WAGO | Controller BACnet MS/TP | up to FW13 | — | No fix listed | CNA |
| WAGO | Ethernet Controller 3rd Generation | up to FW13 | — | No fix listed | CNA |
| WAGO | Ethernet Controller 3rd Generation | up to FW13 | — | No fix listed | CNA |
| WAGO | Fieldbus Coupler Ethernet 3rd Generation | up to FW13 | — | No fix listed | CNA |
- Controller BACnet/IP VendorWAGO Affected up to FW13 Fixed in — No fix listed CNA
- Controller BACnet MS/TP VendorWAGO Affected up to FW13 Fixed in — No fix listed CNA
- Ethernet Controller 3rd Generation VendorWAGO Affected up to FW13 Fixed in — No fix listed CNA
- Ethernet Controller 3rd Generation VendorWAGO Affected up to FW13 Fixed in — No fix listed CNA
- Fieldbus Coupler Ethernet 3rd Generation VendorWAGO Affected up to FW13 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-25090
- 2026-10-03 Alias added: GHSA-fr2x-v6g7-3mwv
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-2018-25090 · CVE Program
- CVE-2018-25090 · NVD
- FIRST EPSS
- GHSA-fr2x-v6g7-3mwv · 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