CVE-2025-6559

CVE-2025-6559 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

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.

Frequently asked questions

What is CVE-2025-6559?
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.
How severe is CVE-2025-6559?
CVE-2025-6559 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-6559 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-6559?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-6559 have an EU (EUVD) identifier?
Yes. CVE-2025-6559 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19048.
When was CVE-2025-6559 published?
CVE-2025-6559 was published on 2025-06-24 and last updated on 2026-06-17.

References

Other CWE-78 (OS Command Injection) vulnerabilities

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