How severe is CVE-2025-44654?

CVE-2025-44654 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-2025-44654 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-44654?

CVE-2025-44654 affects Linksys E2500 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-44654?

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-2025-44654 have an EU (EUVD) identifier?

Yes. CVE-2025-44654 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22120.

When was CVE-2025-44654 published?

CVE-2025-44654 was published on 2025-07-21 and last updated on 2026-07-05.

CVE-2025-44654

CVE-2025-44654 is a critical-severity vulnerability in Linksys E2500 Firmware 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22120
Weakness: CWE-284
Affected product: Linksys E2500 Firmware
Published: 2025-07-21
Last modified: 2026-07-05

Description

In Linksys E2500 3.0.04.002, the chroot_local_user option is enabled in the vsftpd configuration file. This could lead to unauthorized access to system files, privilege escalation, or use of the compromised server as a pivot point for internal network attacks.

Frequently asked questions

What is CVE-2025-44654?: In Linksys E2500 3.0.04.002, the chroot_local_user option is enabled in the vsftpd configuration file. This could lead to unauthorized access to system files, privilege escalation, or use of the compromised server as a pivot point for internal network attacks.
How severe is CVE-2025-44654?: CVE-2025-44654 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-2025-44654 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-44654?: CVE-2025-44654 affects Linksys E2500 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-44654?: 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-2025-44654 have an EU (EUVD) identifier?: Yes. CVE-2025-44654 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22120.
When was CVE-2025-44654 published?: CVE-2025-44654 was published on 2025-07-21 and last updated on 2026-07-05.

References

https://gist.github.com/TPCchecker/279708bf9c599c836ea66f3a3e0c25e1

EU advisories (EUVD)

http://e2500.com

Affected products (1)

cpe:2.3:o:linksys:e2500_firmware:3.0.04.002:*:*:*:*:*:*:*

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