High 8.8Published Apr 5, 2026

CVE-2026-5609Tenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflow

Updated under an hour ago (Oct 26, 2026, 3:00 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Tenda i12

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-121, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Apr 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda i12 tenda:i12_firmware	1.0.0.11(3862)	CNA record
tenda i12_firmware tenda:i12_firmware	1.0.0.11(3862)	NVD

References

https://vuldb.com/vuln/355400vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/355400/ctisignature, permissions-required, vdb-entry
https://vuldb.com/submit/785337third-party-advisory, vdb-entry
https://github.com/Litengzheng/vuldb_new/blob/main/i12/vul_107/README.mdexploit, third-party-advisory
https://www.tenda.com.cn/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.