CVE-2026-36174

MEDIUM

GNCC GP5 7.1.76 - Sensitive Information Exposure via Serial UART Interface

Title source: llm

Description

GNCC GP5 v7.1.76 was discovered to store sensitive wireless network information in plaintext during routine operations to the serial console. This issue allows physically-proximate attackers to obtain sensitive information, including network credentials, via monitoring the serial UART interface.

References (3)

Core 3

Core References

http://gncc.com

http://gp5.com

https://github.com/BadChemical/IoT-Vulnerability-Research-Public/blob/main/GNCC-GP5-T23/README.md

View Writeup ZIP pw:eip

Scores

CVSS v3 4.6

EPSS 0.0016

EPSS Percentile 5.1%

Attack Vector PHYSICAL

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-256

Status published

Published Jun 04, 2026

Tracked Since Jun 04, 2026