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CRITICAL · 9.8

CVE-2021-26777

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 co...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CircutorCompact Dc-S Basic Firmware1.2.17
CircutorCompact Dc-S Basic-

Related Weaknesses (CWE)

CWE-120

References

FAQ

What is CVE-2021-26777?

CVE-2021-26777 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 co...

How severe is CVE-2021-26777?

CVE-2021-26777 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26777?

Check the references section above for vendor advisories and patch information. Affected products include: Circutor Compact Dc-S Basic Firmware, Circutor Compact Dc-S Basic.