CVE-2026-30603

MEDIUM EPSS 3.5%

Published Apr 2, 20262mo ago · Modified Jun 17, 20261w ago

6.8 CVSS 3.1

Medium

Published Apr 2, 2026 2mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

6.8

Exploitability

0.9

Impact

5.9

Vector string

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

Attack Vector Physical

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

3.5% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-345

CWE-494

References 3

qianniao.com http://qianniao.com
qn-l23pa0904.com http://qn-l23pa0904.com
github.com https://github.com/0xghostrush/Research/blob/main/CVE-2026-30603/CVE-2026-30603.md

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.