TI-2021-11027 Aliases CVE-2021-30636 GHSA-gc9h-g4qm-fgcv

In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an…

MEDIUM 45CWE-190Published 2022-01-24 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc.

Why it matters now

EPSS 0.01475 74th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mediatek:linkit_software_development_kit::::::::	before 4.6.1	Vulnerable	MediaTek

cpe:2.3:a:mediatek:linkit_software_development_kit:*:*:*:*:*:*:*:* Versions before 4.6.1 Vulnerable ·MediaTek

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-30636
2026-10-03 Alias added: GHSA-gc9h-g4qm-fgcv

References

Advisory 1

https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

TI-2022-14283 Command injection in MediaTek EN7528, EN7580 CVSS 3.1CRITICAL 9.8
TI-2022-14282 Command injection in MediaTek EN7516, EN7528, EN7529, EN7561, EN7562, EN7580 CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences