CVE-2024-4247

Tenda i21 formQosManage_auto stack-based overflow

HIGH
8.8
CVSS Score
Published: April 27, 2024 at 09:31 AM UTC
Updated: June 17, 2026 at 08:01 AM UTC
2 products affected across 1 vendorI21 FirmwareI21

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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 (4)

SignaturePermissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?ctiid.262138
VDB EntryTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.262138
Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.319832

SSVC — Action Prioritization

SSVCNo known exploitNot 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-121CWE-787

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