CVE•Published 2026-03-23•Modified 2026-04-29•1 article on news•7 live references•NVD data
CVE-2026-4566Belkin · F9k1122_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
17
Exploit Prediction Scoring System · top 83% of all CVEs
Weaknesses (CWE)
Description
A flaw has been found in Belkin F9K1122 1.00.33. The affected element is the function formWISP5G of the file /goform/formWISP5G. Executing a manipulation of the argument webpage can lead to stack-based buffer overflow. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Timeline
Published 2026-03-23
Modified 2026-04-29
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-4566Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"F9k1122 Firmware"Hosts Shodan identified as running F9k1122 Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2026-4566Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-4566Censys host search filtered to this CVE id.
grep.app
CVE-2026-4566Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-4566GitHub code search for direct mentions.
Google dork
"CVE-2026-4566" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2026-45668 repos
gufranco/regnantPython
State-of-the-art reproduction of the Atlassian platform canvas by Vasilios Syrakis.
oslook/n8n-workflowsunknown
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timoguin/starsunknown
My starred repositories
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Free NX Self-hosted Remote Cache solution
leochong/LateosPython
AWS serverless AI agent with security-first architecture. Eliminates entire attack surface vs. Clawdbot: no persistent processes, API Gateway + Cognito auth, scoped IAM per Lambd…
alistairhendersoninfo/compromised-serverShell
installation of servers that are compromised for PENN Testing
zulfikarrukiansyah/Training-Solvera-Cloud-SecurityHTML