BaseFortify

Publication date: 2025-11-07

Last updated on: 2025-11-12

Assigner: Zephyr Project

Description

Improper handling of malformed Connection Request with the interval set to be 1 (which supposed to be illegal) and the chM 0x7CFFFFFFFF triggers a crash. The peripheral will not be connectable after it.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-11-07

Last Modified

2025-11-12

Generated

2026-07-06

AI Q&A

2025-11-07

EPSS Evaluated

2026-07-05

NVD

CVE-2025-12890

Affected Vendors & Products

Vendor	Product	Version / Range
zephyrproject	zephyr	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-703	The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.

Attack-Flow Graph

Executive Summary

This vulnerability is caused by improper handling of a malformed Connection Request where the interval is set to 1, which is illegal, and the chM value is 0x7CFFFFFFFF. This triggers a crash in the peripheral device, making it unconnectable afterwards.

Impact Analysis

The vulnerability can cause the affected peripheral device to crash and become unconnectable, potentially disrupting its normal operation and availability.

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