CVE-2026-30603
Qianniao QN-L23PA0904 Firmware Update Mechanism Root Access Vulnerability
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.
INFO
Published Date :
April 2, 2026, 5:16 p.m.
Last Modified :
April 2, 2026, 6:16 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-30603
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Apply firmware updates from trusted sources only.
- Verify script integrity before execution.
- Restrict access to firmware update mechanisms.
- Monitor system for unauthorized changes.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-30603.
| URL | Resource |
|---|---|
| http://qianniao.com | |
| http://qn-l23pa0904.com | |
| https://github.com/0xghostrush/Research/blob/main/CVE-2026-30603/CVE-2026-30603.md |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-30603 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-30603
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-30603 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-30603 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 02, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-345 Added CWE CWE-494 -
New CVE Received by [email protected]
Apr. 02, 2026
Action Type Old Value New Value Added 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. Added Reference http://qianniao.com Added Reference http://qn-l23pa0904.com Added Reference https://github.com/0xghostrush/Research/blob/main/CVE-2026-30603/CVE-2026-30603.md