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Description

A weakness has been identified in Belkin F9K1122 1.00.33. The impacted element is the function formSetPassword of the file /goform/formSetPassword of the component Parameter Handler. This manipulation of the argument webpage causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

PUBLISHED Reserved 2026-03-27 | Published 2026-03-29 | Updated 2026-03-30 | 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

1.00.33
affected

Timeline

2026-03-27:Advisory disclosed
2026-03-27:VulDB entry created
2026-03-27:VulDB entry last update

Credits

LtzHuster2 (VulDB User) reporter

VulDB coordinator

References

vuldb.com/vuln/353966 (VDB-353966 | Belkin F9K1122 Parameter formSetPassword stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/353966/cti (VDB-353966 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/779124 (Submit #779124 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow) third-party-advisory

github.com/...heng/vul_db/blob/main/Belkin/vul_154/README.md exploit

cve.org (CVE-2026-5043)

nvd.nist.gov (CVE-2026-5043)

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