Vulnerability details

CVE-2026-5609

Tenda i12

Tenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflow

CVSS 4.0

8.7High

Official 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.

CVSS scores

Score	Version	Source	Vector
8.7High	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS: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`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`
9.0High	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
Tenda	i12	1.0.0.11(3862)	CVEProject cvelistV5 (CNA)

References and advisories

https://vuldb.com/vuln/355400 vdb-entrytechnical-description
https://vuldb.com/vuln/355400/cti signaturepermissions-required
https://vuldb.com/submit/785337 third-party-advisory
https://github.com/Litengzheng/vuldb_new/blob/main/i12/vul_107/README.md exploit
https://www.tenda.com.cn/ product

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Details

Published: 2026-04-06
Last updated: 2026-04-06
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.64%

Probability of exploitation in 30 days

51.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-121
Stack-based Buffer Overflow
CWE-119
Memory Corruption