How severe is CVE-2025-1609?

CVE-2025-1609 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-2025-1609 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-1609?

CVE-2025-1609 affects Lb-link Ac1900 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-1609?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-1609 have an EU (EUVD) identifier?

Yes. CVE-2025-1609 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4389.

When was CVE-2025-1609 published?

CVE-2025-1609 was published on 2025-02-24 and last updated on 2026-06-17.

CVE-2025-1609

CVE-2025-1609 is a medium-severity vulnerability in Lb-link Ac1900 Firmware with a CVSS 3.x base score of 6.3. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4389
Weakness: CWE-78
Affected product: Lb-link Ac1900 Firmware
Published: 2025-02-24
Last modified: 2026-06-17

Description

A vulnerability has been found in LB-LINK AC1900 Router 1.0.2 and classified as critical. Affected by this vulnerability is the function websGetVar of the file /goform/set_cmd. The manipulation of the argument cmd leads to os command injection. The attack can be launched 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-2025-1609?: A vulnerability has been found in LB-LINK AC1900 Router 1.0.2 and classified as critical. Affected by this vulnerability is the function websGetVar of the file /goform/set_cmd. The manipulation of the argument cmd leads to os command injection. The attack can be launched 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-2025-1609?: CVE-2025-1609 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-2025-1609 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1609?: CVE-2025-1609 affects Lb-link Ac1900 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-1609?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-1609 have an EU (EUVD) identifier?: Yes. CVE-2025-1609 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4389.
When was CVE-2025-1609 published?: CVE-2025-1609 was published on 2025-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:lb-link:ac1900_firmware:1.0.2:*:*:*:*:*:*:*

More vulnerabilities in Lb-link Ac1900 Firmware

CVE-2025-1610 — Medium (CVSS 6.3): A vulnerability was found in LB-LINK AC1900 Router 1.0.2 and classified as critical. Affected by this issue is the…
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