Buffer overflow in Belkin F9k1122
CVE-2026-5608
A vulnerability was detected in Belkin F9K1122 1.00.33. Affected is the function formWlanSetup of the file /goform/formWlanSetup. The manipulation of the argument webpage results in stack-based buffer overflow. The attack may be performed…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (28.6th 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.
Affected products
- Belkin F9k1122 — versions 1.00.33
- Belkin F9k1122_firmware — versions 1.00.33
Weakness classification (CWE)
References
- VDB-355399 | Belkin F9K1122 formWlanSetup stack-based overflow (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-355399 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #785315 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-5608?
- CVE-2026-5608 is a high-severity vulnerability in Belkin F9k1122, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-04-06.
- How severe is CVE-2026-5608?
- High severity. CVSS v3 base score is 8.8 out of 10.