What is CVE-2026-36540?

CVE-2026-36540 is a high-severity vulnerability in N/a, classified under Command Injection. CVSS score: 7.3/10. Published 2026-05-27.

How severe is CVE-2026-36540?

High severity. CVSS v3 base score is 7.3 out of 10.

RCE in N/a

CVE-2026-36540

Netis AC1200 Router NC21 V4.0.1.4296 is vulnerable to unauthenticated command injection via the /cgi-bin/skk_set.cgi endpoint. The password and new_pwd_confirm POST parameters are passed directly to the underlying OS shell without sanitiza…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.013 (79.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-36540?: CVE-2026-36540 is a high-severity vulnerability in N/a, classified under Command Injection. CVSS score: 7.3/10. Published 2026-05-27.
How severe is CVE-2026-36540?: High severity. CVSS v3 base score is 7.3 out of 10.