CVE-2025-1609: LB-LINK AC1900 Router set_cmd websGetVar os command injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-02-24 · updated 2026-06-17
Weakness: CWE-77

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.

Affected products

LB-LINK AC1900 Router: 1.0.2

References

https://noisy-caravel-a9a.notion.site/LBLINK_AC1900_V1-0-2_-set_cmd-_-bs_SetCmd-_CI-179898c94eac808e8875e0b8e1bee47e?pvs=74
https://vuldb.com/?ctiid.296599
https://vuldb.com/?id.296599
https://vuldb.com/?submit.501023

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