CVE-2026-5611

HIGH

Belkin F9K1015 formCrossBandSwitch stack-based overflow

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-355402 | Belkin F9K1015 formCrossBandSwitch stack-based overflow
https://vuldb.com/vuln/355402
Signature, Permissions Required signature permissions-required
VDB-355402 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/355402/cti
Third Party Advisory third-party-advisory
Submit #785538 | Belkin F9K1015 1.00.10 Stack-based Buffer Overflow
https://vuldb.com/submit/785538

Scores

CVSS v3 8.8
EPSS 0.0069
EPSS Percentile 47.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (2)
Belkin/F9K1015 1.00.10
belkin/f9k1015_firmware 1.00.10
Published Apr 06, 2026
Tracked Since Apr 06, 2026