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Vulnerability record · CVE-2025-1609 · published 24 February 2025

CVE-2025-1609: Lb-link ac1900 firmware command injection vulnerability

Lb Link · Ac1900 Firmware

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.

5.3 CVSS 4.0 Medium EPSS 10% · top 4.5% CWE-77 · Command injectionCWE-78 · OS command injection
5.3CVSS 4.0 base score, v2 6.5
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://noisy-caravel-a9a.notion.site/LBLINK_AC1900_V1-0-2_-set_cmd-_-bs_SetCmd-_CI-179898c94eac808e8875e0b8e1bee47e?pvs ExploitThird Party Advisory
https://vuldb.com/?ctiid.296599 Permissions RequiredVDB Entry
https://vuldb.com/?id.296599 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.501023 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-1609), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.