Critical severity9.8NVD Advisory· Published Dec 2, 2021· Updated Jun 17, 2026
CVE-2021-26777
CVE-2021-26777
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.
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Affected products
3- cpe:2.3:o:circutor:compact_dc-s_basic_firmware:1.2.17:*:*:*:*:*:*:*
- CIRCUTOR/COMPACT DC-S BASIC smart metering concentrator Firwmaredescription
- Range: CIR_CDC_v1.2.17
Patches
Vulnerability mechanics
News mentions
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