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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.

PUBLISHED Reserved 2026-04-05 | Published 2026-04-06 | Updated 2026-04-06 | Assigner VulDB




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
HIGH: 8.8CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
9.0AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.00.10
affected

Timeline

2026-04-05:Advisory disclosed
2026-04-05:VulDB entry created
2026-04-05:VulDB entry last update

Credits

LtzHust (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/355402 (VDB-355402 | Belkin F9K1015 formCrossBandSwitch stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/355402/cti (VDB-355402 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/785538 (Submit #785538 | Belkin F9K1015 1.00.10 Stack-based Buffer Overflow) third-party-advisory

github.com/...b_new/blob/main/Belkin F9K1015/vul_5/README.md exploit

cve.org (CVE-2026-5611)

nvd.nist.gov (CVE-2026-5611)

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