Wago: Buffer Copy without Checking Size of Input in wbm of multiple products
Priority MEDIUM 41CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
An unautheticated remote attacker could send specifically crafted packets to a affected device. If an authenticated user then views that data in a specific page of the web-based management a buffer overflow will be triggered to gain full access of the device.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00642 51st 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
- 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 | 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
CPE names CISA-ADP · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:wago:750-352_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
| cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
| cpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
| cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
| cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
| cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
| cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
| cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
| cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
| cpe:2.3:o:wago:750-884_firmware:*:*:*:*:*:*:*:* | — | — | WAGO |
- cpe:2.3:o:wago:750-352_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
- cpe:2.3:o:wago:750-831_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
- cpe:2.3:o:wago:750-829_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
- cpe:2.3:o:wago:750-852_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
- cpe:2.3:o:wago:750-880_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
- cpe:2.3:o:wago:750-881_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
- cpe:2.3:o:wago:750-882_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
- cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
- cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
- cpe:2.3:o:wago:750-884_firmware:*:*:*:*:*:*:*:* Versions — — ·WAGO
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-10123
- 2026-10-03 Alias added: GHSA-6qmr-x8pc-q3r8
- 2026-10-21 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-2015-10123 · CVE Program
- CVE-2015-10123 · NVD
- FIRST EPSS
- GHSA-6qmr-x8pc-q3r8 · 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