CVE-2025-5443

CVE-2025-5443 is a medium-severity vulnerability in Linksys Re9000 Firmware with a CVSS 3.x base score of 6.3. Its EPSS exploit-prediction score of 21% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Description

A vulnerability, which was classified as critical, was found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. Affected is the function wirelessAdvancedHidden of the file /goform/wirelessAdvancedHidden. The manipulation of the argument ExtChSelector/24GSelector/5GSelector leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-5443?
A vulnerability, which was classified as critical, was found in Linksys RE6500, RE6250, RE6300, RE6350, RE7000 and RE9000 1.0.013.001/1.0.04.001/1.0.04.002/1.1.05.003/1.2.07.001. Affected is the function wirelessAdvancedHidden of the file /goform/wirelessAdvancedHidden. The manipulation of the argument ExtChSelector/24GSelector/5GSelector leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-5443?
CVE-2025-5443 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-5443 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 21% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5443?
CVE-2025-5443 primarily affects Linksys Re9000 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-5443?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-5443 have an EU (EUVD) identifier?
Yes. CVE-2025-5443 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16649.
When was CVE-2025-5443 published?
CVE-2025-5443 was published on 2025-06-02 and last updated on 2026-06-17.

References

Affected products (6)

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