CVE-2025-8830: Linksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 setWan sub_3517C os command injection

Vulnerability summary

CVE-2025-8830 is a high (CVSS 8.8) Command Injection vulnerability in linksys re6250. EPSS estimates a 6.81% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 11-08-2025
   PublishedVulnerability first disclosed.
2. 11-08-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability has been found in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. Affected by this issue is the function sub_3517C of the file /goform/setWan. The manipulation of the argument Hostname leads to os command injection. The attack may 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.

• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.