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CVE-2026-3971

Tenda i3 wifiSSIDset formwrlSSIDset stack-based overflow

HIGH
8.8
CVSS Score
Published: March 12, 2026 at 01:02 AM UTC
Updated: June 17, 2026 at 10:44 AM UTC
2 products affected across 1 vendorI3 FirmwareI3

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

A vulnerability has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument index/GO leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

ExploitThird Party Advisory
Source: [email protected]
https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formwrlSSIDset-go-buffer-overflow
RelatedExploitThird Party Advisory
Source: [email protected]
https://github.com/Svigo-o/Tenda_vul/tree/main/tenda-i3-formwrlSSIDset-index-buffer-overflow
SignaturePermissions RequiredVDB Entry
Source: [email protected]
https://vuldb.com/?ctiid.350406
VDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://vuldb.com/?id.350406
Third Party AdvisoryVDB Entry
Source: [email protected]
https://vuldb.com/?submit.768996
Third Party AdvisoryVDB Entry
Source: [email protected]
https://vuldb.com/?submit.768997
Product
Source: [email protected]
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-119CWE-121CWE-787

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