WAGO: Denial of service in 750-8xx controller due to uncontrolled resource consumption
Priority LOW 39CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-770.
Summary
An unauthenticated remote attacker can cause a DoS in the controller due to uncontrolled resource consumption.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0052 44th 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
- Yes
- 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 | 750-8100 (Controller PFC100) | up to 02.05.23(08) | — | No fix listed | CNA |
| WAGO | 750-831 (Controller BACnet/IP) | up to 01.02.29(09) | — | No fix listed | CNA |
| WAGO | 750-880 (Controller ETH) | up to 01.07.03(10) | — | No fix listed | CNA |
| WAGO | 750-889 (Controller KNX IP) | up to 01.07.13(10) | — | No fix listed | CNA |
- 750-8100 (Controller PFC100) VendorWAGO Affected up to 02.05.23(08) Fixed in — No fix listed CNA
- 750-831 (Controller BACnet/IP) VendorWAGO Affected up to 01.02.29(09) Fixed in — No fix listed CNA
- 750-880 (Controller ETH) VendorWAGO Affected up to 01.07.03(10) Fixed in — No fix listed CNA
- 750-889 (Controller KNX IP) VendorWAGO Affected up to 01.07.13(10) Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-25108
- 2026-10-03 Alias added: GHSA-p8h8-wq9m-5rg2
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-2018-25108 · CVE Program
- CVE-2018-25108 · NVD
- FIRST EPSS
- GHSA-p8h8-wq9m-5rg2 · GitHub Advisory Database · CC BY 4.0
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