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NVD 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.
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
NONE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
2 versions affected across 2 products
| Date | Total | Labels |
|---|
| 2026-03-22 | 1 | Disclosure1 |
| 2026-03-23 | 6 | Disclosure4General2 |
| 2026-03-24 | 1 | Disclosure1 |
CVE-2026-4566 Remote Stack-Based Buffer Overflow in Belkin F9K1122 Wireless Router Firmware https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-4566
Post summary
The entry reports a remote stack-based buffer overflow vulnerability in Belkin F9K1122 wireless routers, providing technical details but no PoC, exploit code, or patch information.
⚡ New CVE Alert: CVE-2026-4566 📊 Severity: 8.8 🚨 Risk Level: High 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-4566 #CVE-2026-4566 #CVE #High #CyberSecurity #InfoSec https://t.co/YpL0MOBOkr
Post summary
The tweet alerts to CVE‑2026‑4566, lists its severity as 8.8, and provides only a NVD reference.
CVE Alert: CVE-2026-4566 - Belkin - F9K1122 - https://www.redpacketsecurity.com/cve-alert-cve-2026-4566-belkin-f9k1122/ #OSINT #ThreatIntel #CyberSecurity #cve-2026-4566 #belkin #f9k1122
Post summary
The tweet announces CVE-2026-4566 affecting Belkin F9K1122 and links to an external alert, but provides no technical, exploit, or remediation details.
CVE-2026-4566 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 argumen… https://www.cve.org/CVERecord?id=CVE-2026-4566
Post summary
The notice reports a new CVE affecting a Belkin router's formWISP5G function, but provides no PoC, exploit details, patch information, or evidence of active exploitation.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-4566 - Belkin F9K1122 formWISP5G stack-based overflow Intel Report: https://ift.tt/VanIlJ2
Post summary
The alert announces a new CVE-2026-4566 affecting Belkin F9K1122 formWISP5G with a stack-based overflow, but provides no PoC, exploit, or patch information.
[CVE-2026-4566: HIGH] Critical security flaw discovered in Belkin F9K1122 1.00.33, allowing remote attackers to trigger a stack-based buffer overflow via manipulation of the argument webpage in formWISP5G func...#cve,CVE-2026-4566,#cybersecurity https://cvefind.com/CVE-2026-4566
Post summary
The tweet announces a critical stack‑based buffer overflow flaw in Belkin F9K1122 firmware, but provides no evidence of exploitation, PoC, or available patch.
🟠 CVE-2026-4566 - High 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 st... https://www.thehackerwire.com/vulnerability/CVE-2026-4566/ https://t.co/xzHERHDxHH
Post summary
The text announces a high‑severity flaw (CVE‑2026‑4566) in Belkin firmware, describing affected code but offering no PoC, exploit, patch, or evidence of active exploitation.
A severe vulnerability was disclosed for Belkin F9K1122 (CVE-2026-4566) https://vuldb.com/?id.352403
Post summary
A severe vulnerability (CVE-2026-4566) has been disclosed for the Belkin F9K1122 device, but few technical or mitigation details are provided.
2 of 2 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| HW | belkin | f9k1122 | - | - | - |
| OS | belkin | f9k1122_firmware | 1.00.33 | - | - |