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TI-2025-01382 Aliases CVE-2025-1609GHSA-fw6f-4rpm-3gpw

LB-LINK AC1900 Router set_cmd websGetVar os command injection

Priority MEDIUM 57CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.1017 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LB-LINKAC1900 Router1.0.2—No fix listedCNA
  • AC1900 Router VendorLB-LINK Affected 1.0.2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:lb-link:ac1900_firmware:1.0.2:*:*:*:*:*:*:*1.0.2VulnerableLB-LINK
cpe:2.3:h:lb-link:ac1900:-:*:*:*:*:*:*:*not specified by NVDRunning onLB-LINK
  • cpe:2.3:o:lb-link:ac1900_firmware:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·LB-LINK
  • cpe:2.3:h:lb-link:ac1900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·LB-LINK

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-1609
  2. 2026-10-03 Alias added: GHSA-fw6f-4rpm-3gpw

References

Exploit 1

  • TI-2025-01381 LB-LINK AC1900 Router set_manpwd websGetVar os command injection CVSS 4.0MEDIUM 5.3
  • TI-2025-01383 LB-LINK AC1900 Router set_blacklist websGetVar os command injection CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences