CVE-2025-34125

CVE-2025-34125 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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

An unauthenticated command injection vulnerability exists in the cookie handling process of the lighttpd web server on D-Link DSP-W110A1 firmware version 1.05B01. This occurs when specially crafted cookie values are processed, allowing remote attackers to execute arbitrary commands on the underlying Linux operating system. Successful exploitation enables full system compromise.

Frequently asked questions

What is CVE-2025-34125?
An unauthenticated command injection vulnerability exists in the cookie handling process of the lighttpd web server on D-Link DSP-W110A1 firmware version 1.05B01. This occurs when specially crafted cookie values are processed, allowing remote attackers to execute arbitrary commands on the underlying Linux operating system. Successful exploitation enables full system compromise.
How severe is CVE-2025-34125?
CVE-2025-34125 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2025-34125 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-34125?
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-2025-34125 have an EU (EUVD) identifier?
Yes. CVE-2025-34125 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21746.
When was CVE-2025-34125 published?
CVE-2025-34125 was published on 2025-07-16 and last updated on 2026-06-17.

References

Other CWE-78 (OS Command Injection) vulnerabilities

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