Remote Command Execution Vulnerability in Belkin Linksys Router
CVE-2021-25310

8.8HIGH

Key Information:

Vendor

Belkin

Status
Linksys Wrt160nl Firmware
Vendor
CVE Published:
2 February 2021

What is CVE-2021-25310?

The administration web interface of Belkin Linksys WRT160NL routers is susceptible to a command injection vulnerability that enables remote authenticated attackers to execute arbitrary system commands with root privileges. This security flaw arises from improper validation of the ui_language POST parameter sent to the apply.cgi endpoint through the do_upgrade_post function in mini_httpd. Note that this vulnerability poses a risk primarily to devices that are no longer supported by the vendor, leaving them unpatched and vulnerable to exploitation.

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References

https://research.nccgroup.com/?research=Technical%20advis...
x_refsource_MISC
https://research.nccgroup.com/2021/01/28/technical-adviso...
x_refsource_MISC

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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