Remote Command Injection Flaw in DrayTek Vigor Series Routers
CVE-2021-43118

9.8CRITICAL

Key Information:

Vendor

Draytek
Status
Vigor2960 Firmware
Vendor
CVE Published:
29 March 2022

What is CVE-2021-43118?

A vulnerability has been identified within specific models of DrayTek Vigor routers that allows unauthorized remote command execution. By sending a specially crafted HTTP request containing a malformed query string to the affected devices, an attacker could exploit this flaw to execute arbitrary commands on the router. This type of vulnerability poses significant risks to network integrity and confidentiality, potentially leading to unauthorized access and data breaches.

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References

https://gist.github.com/Cossack9989/6034c077f46e4f06d0992...
x_refsource_MISC

EPSS Score

32% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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