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Description

A vulnerability was detected in Belkin F9K1122 1.00.33. Affected is the function formWlanSetup of the file /goform/formWlanSetup. The manipulation of the argument webpage results in stack-based buffer overflow. The attack may be performed from remote. The exploit is now public and may 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

1.00.33
affected

Timeline

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

Credits

LtzHust2 (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/355399 (VDB-355399 | Belkin F9K1122 formWlanSetup stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/355399/cti (VDB-355399 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/785315 (Submit #785315 | Belkin F9K1122 1.00.33 Stack-based Buffer Overflow) third-party-advisory

github.com/...zheng/vul_db/blob/main/Belkin/vul_80/README.md exploit

cve.org (CVE-2026-5608)

nvd.nist.gov (CVE-2026-5608)

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