CVE-2026-30603

MEDIUM

Qianniao QN-L23PA0904 v20250721.1640 - Privilege Escalation

Title source: llm

Description

An issue in the firmware update mechanism of Qianniao QN-L23PA0904 v20250721.1640 allows attackers to gain root access, install backdoors, and exfiltrate data via supplying a crafted iu.sh script contained in an SD card.

References (3)

http://qianniao.com

http://qn-l23pa0904.com

https://github.com/0xghostrush/Research/blob/main/CVE-2026-30603/CVE-2026-30603.md

View Writeup ZIP pw:eip

Scores

CVSS v3 6.8

EPSS 0.0001

EPSS Percentile 1.2%

Attack Vector PHYSICAL

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-345 CWE-494

Status published

Published Apr 02, 2026

Tracked Since Apr 02, 2026