Buffer overflow in Belkin F9k1122
CVE-2026-4167
A vulnerability was determined in Belkin F9K1122 1.00.33. This affects the function formReboot of the file /goform/formReboot. This manipulation of the argument webpage causes stack-based buffer overflow. The attack may be initiated remote…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (20.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.
Affected products
- Belkin F9k1122 — versions 1.00.33
Weakness classification (CWE)
References
- VDB-351074 | Belkin F9K1122 formReboot stack-based overflow (vdb-entry, technical-description)
- VDB-351074 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #769727 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow (third-party-advisory)
- github.com/Litengzheng/vul_db/blob/main/Belkin/vul_152/README.md (related)
- github.com/Litengzheng/vul_db/blob/main/Belkin/vul_152/README.md (exploit)
Frequently asked questions
- What is CVE-2026-4167?
- CVE-2026-4167 is a high-severity vulnerability in Belkin F9k1122, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-03-15.
- How severe is CVE-2026-4167?
- High severity. CVSS v3 base score is 8.8 out of 10.