RCE in Lb-Link Ac1900
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.102 (95.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.100 · newest: 0.102 · change: +0.002
Affected products
- Lb-Link Ac1900
- Lb-Link Ac1900 Firmware — versions 1.0.2
- Lb-Link Ac1900 Router — versions 1.0.2
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- noisy-caravel-a9a.notion.site/LBLINK_AC1900_V1-0-2_-set_cmd-_-bs_SetCmd-_CI-179… (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-1609?
- CVE-2025-1609 is a medium-severity vulnerability in Lb-Link Ac1900, classified under Command Injection. CVSS score: 6.3/10. Published 2025-02-24.
- How severe is CVE-2025-1609?
- Medium severity. CVSS v3 base score is 6.3 out of 10.