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Description

A flaw has been found in Tenda i12 1.0.0.11(3862). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset of the component Parameter Handler. This manipulation of the argument index/wl_radio causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.

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

1.0.0.11(3862)
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

References

vuldb.com/vuln/355400 (VDB-355400 | Tenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflow) vdb-entry technical-description

vuldb.com/vuln/355400/cti (VDB-355400 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/785337 (Submit #785337 | Tenda i12 V1.0.0.11(3862) Stack-based Buffer Overflow) third-party-advisory

github.com/...heng/vuldb_new/blob/main/i12/vul_107/README.md exploit

www.tenda.com.cn/ product

cve.org (CVE-2026-5609)

nvd.nist.gov (CVE-2026-5609)

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