VULNERABILITY INTELLIGENCE

CVE-2021-26777

CVSS score9.8 CRITICAL
EPSS probability2.53%
CISA KEVNot currently listed
Published2021-12-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Buffer overflow vulnerability in function SetFirewall in index.cgi in CIRCUTOR COMPACT DC-S BASIC smart metering concentrator Firwmare version CIR_CDC_v1.2.17, allows attackers to execute arbitrary code.

Weakness classification

  • nvd@nist.gov: CWE-120

Primary references