What is CVE-2026-30603?

CVE-2026-30603 is a medium-severity vulnerability in N/a, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.8/10. Published 2026-04-02.

How severe is CVE-2026-30603?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in N/a

CVE-2026-30603

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.

EPSS: 0.001 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity
CWE-494 — Download of Code Without Integrity Check

References

cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-30603?: CVE-2026-30603 is a medium-severity vulnerability in N/a, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.8/10. Published 2026-04-02.
How severe is CVE-2026-30603?: Medium severity. CVSS v3 base score is 6.8 out of 10.