Belkin F9K1015 formConnectionSetting buffer overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A security vulnerability has been detected in Belkin F9K1015 1.00.10. Affected by this vulnerability is an unknown functionality of the file /goform/formConnectionSetting. The manipulation of the argument max_Conn leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| Belkin | F9K1015 | 1.00.10 | — | No fix listed | CNA |
- F9K1015 VendorBelkin Affected 1.00.10 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11293
- 2026-10-03 Alias added: GHSA-h9h5-32xg-8pxg
References
More Belkin F9k1015 Firmware vulnerabilities
- TI-2026-04937 Belkin F9K1015 formSetFirewall stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-04936 Belkin F9K1015 Setting formSetSystemSettings stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-04922 Belkin F9K1015 formSetPassword stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-04921 Belkin F9K1015 formReboot stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-04920 Belkin F9K1015 formWlEncrypt stack-based overflow CVSS 4.0HIGH 8.7
- TI-2026-04919 Belkin F9K1015 formCrossBandSwitch stack-based overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2025-11293 · CVE Program
- CVE-2025-11293 · NVD
- FIRST EPSS
- GHSA-h9h5-32xg-8pxg · GitHub Advisory Database · CC BY 4.0
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