CVE-2026-21366

7.8 HIGH

Published 2026-08-04 · Updated 2026-08-06

AI risk analysis

Summary: The flaw involves memory corruption when processing packets near the maximum size, potentially leading to arbitrary code execution.
Exploitability: Exploitation requires precise packet crafting and access to the affected firmware, making it moderately difficult.
Blast radius: If exploited, it could lead to full system compromise and data loss on devices using the affected firmware.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to the latest firmware version 2.590 or later.

memory-corruptionfirmwarecode-execution

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

Memory corruption while processing a packet with a size close to the maximum allowed value.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-190

Vendors

qualcomm

Products

lemans au lgit firmware, lemans au lgit, lemansau firmware, lemansau, qam8255p firmware, qam8255p, qam8295p firmware, qam8295p, qam8620p firmware, qam8620p, qamsrv1h firmware, qamsrv1h

References

https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2026-bulletin.html Vendor Advisory

Data: NVD (public domain). Analysis: local $0 model. Defensive use only.