// For flags

CVE-2025-1609

LB-LINK AC1900 Router set_cmd websGetVar os command injection

Severity Score

5.3
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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.

In LB-LINK AC1900 Router 1.0.2 wurde eine Schwachstelle gefunden. Sie wurde als kritisch eingestuft. Hierbei betrifft es die Funktion websGetVar der Datei /goform/set_cmd. Mittels Manipulieren des Arguments cmd mit unbekannten Daten kann eine os command injection-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.

*Credits: h0lyduck
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
System
Vulnerable | Subsequent
Confidentiality
Low
None
Integrity
Low
None
Availability
Low
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
Poc
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-02-23 CVE Reserved
  • 2025-02-24 CVE Published
  • 2025-02-24 CVE Updated
  • 2025-02-24 First Exploit
  • 2025-07-24 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
LB-LINK
Search vendor "LB-LINK"
 AC1900 Router
Search vendor "LB-LINK" for product "AC1900 Router"
 1.0.2
Search vendor "LB-LINK" for product "AC1900 Router" and version "1.0.2"
en
Affected