CVE-2025-6559

Sapido Wireless Router - OS Command Injection

Description

Multiple wireless router models from Sapido have an OS Command Injection vulnerability, allowing unauthenticated remote attackers to inject arbitrary OS commands and execute them on the server. The affected models are out of support; replacing the device is recommended.

Category

9.3
CVSS
Severity: Critical
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.39%
Third-Party Advisory org.tw Third-Party Advisory org.tw
Affected: Sapido BR071n
Affected: Sapido BR261c
Affected: Sapido BR270n
Affected: Sapido BR476n
Affected: Sapido BRC70n
Affected: Sapido BRC70x
Affected: Sapido BRC76n
Affected: Sapido BRD70n
Affected: Sapido BRE70n
Affected: Sapido BRE71n
Affected: Sapido BRF61c
Affected: Sapido BRF71n
Published at:
Updated at:

References

Link Tags
https://www.twcert.org.tw/tw/cp-132-10196-898d3-1.html third party advisory
https://www.twcert.org.tw/en/cp-139-10195-69da1-2.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2025-6559?
CVE-2025-6559 has been scored as a critical severity vulnerability.
How to fix CVE-2025-6559?
To fix CVE-2025-6559, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-6559 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-6559 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-6559?
CVE-2025-6559 affects Sapido BR071n, Sapido BR261c, Sapido BR270n, Sapido BR476n, Sapido BRC70n, Sapido BRC70x, Sapido BRC76n, Sapido BRD70n, Sapido BRE70n, Sapido BRE71n, Sapido BRF61c, Sapido BRF71n.
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