Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-5611— Belkin F9K1015 formCrossBandSwitch stack-based overflow

Quick assessment

Affected
Belkin F9K1015
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Belkin F9K1015是加拿大Belkin公司的一款WiFi信号扩展器。 Belkin F9K1015 1.00.10版本存在安全漏洞，该漏洞源于对参数webpage的错误操作，可能导致栈缓冲区溢出攻击。

CVSS 8.8 · High EPSS 1.06% · P63

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-5611

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Belkin F9K1015 formCrossBandSwitch stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Belkin F9K1015 1.00.10. This affects the function formCrossBandSwitch of the file /goform/formCrossBandSwitch. Performing a manipulation of the argument webpage results in stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Belkin F9K1015 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Belkin F9K1015是加拿大Belkin公司的一款WiFi信号扩展器。 Belkin F9K1015 1.00.10版本存在安全漏洞，该漏洞源于对参数webpage的错误操作，可能导致栈缓冲区溢出攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Belkin F9K1015 1.00.10 cpe:2.3:o:belkin:f9k1015_firmware:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-5611

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7969 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-5611

请登录查看更多情报信息。

Proof of Concept for CVE-2026-5611 (1)

Same Patch Batch · Belkin · 2026-04-06 · 8 CVEs total

CVE-2026-5608 8.8 HIGH Belkin F9K1122 formWlanSetup stack-based overflow
CVE-2026-5610 8.8 HIGH Belkin F9K1015 formWISP5G stack-based overflow
CVE-2026-5613 8.8 HIGH Belkin F9K1015 formReboot stack-based overflow
CVE-2026-5612 8.8 HIGH Belkin F9K1015 formWlEncrypt stack-based overflow
CVE-2026-5614 8.8 HIGH Belkin F9K1015 formSetPassword stack-based overflow
CVE-2026-5629 8.8 HIGH Belkin F9K1015 formSetFirewall stack-based overflow
CVE-2026-5628 8.8 HIGH Belkin F9K1015 Setting formSetSystemSettings stack-based overflow

IV. Related Vulnerabilities

Same product: F9K1015
Same vendor: Belkin
Same weakness: CWE-121

V. Comments for CVE-2026-5611

No comments yet

Leave a comment