CVE-2024-4494

Tenda i21 setUplinkInfo formSetUplinkInfo stack-based overflow

HIGH
8.8
CVSS Score
Published: May 5, 2024 at 05:00 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. Affected by this vulnerability is the function formSetUplinkInfo of the file /goform/setUplinkInfo. The manipulation of the argument pingHostIp2 leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-263083. 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.263083
VDB EntryTechnical DescriptionThird Party Advisory
https://vuldb.com/?id.263083
Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.323604

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial 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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