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OS Command Injection in WAVLINK WN579X3-D Router

OS Command Injection in WAVLINK WN579X3-D Router

First seen 1 Nov 2026, 19:45 UTC • •

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ThreatCluster AI
ThreatCluster •November 1, 2026 at 21:48 UTC
  • •CVE-2026-120196 allows OS command injection on WAVLINK WN579X3-D routers.
  • •Exploitation can lead to full device compromise by authenticated attackers.
  • •Users are advised to update firmware and restrict access immediately.

A vulnerability, CVE-2026-120196, has been identified in the WAVLINK WN579X3-D router's port_forward function, allowing remote command injection via the Name parameter in /cgi-bin/wapi.cgi. This flaw affects firmware version V250402 and can lead to full device compromise if exploited by an authenticated attacker. The vulnerability is marked with a CVSS score of 9.4, indicating its nature. Exploitation is possible due to inadequate input validation, which allows attackers to bypass security checks. The vendor has been informed, and users are urged to update their firmware and restrict access to the affected function. Public proof-of-concept exploits have emerged, increasing the urgency for remediation. Monitoring for suspicious activity is also recommended.

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Timeline

2026-11-01
CVE-2026-120196 published
A critical OS command injection vulnerability in WAVLINK WN579X3-D routers was disclosed, affecting firmware version V250402.
Cvefeed
2026-11-01
Public exploit released
Proof-of-concept code for exploiting CVE-2026-120196 has been made publicly available, increasing the risk of attacks.
github.com

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Common questions

Which firmware versions are affected?
The vulnerability affects WAVLINK WN579X3-D routers running firmware version V250402.
What are the risks of this vulnerability?
Exploitation can lead to remote code execution with root privileges, potentially compromising the entire device.
What immediate actions should be taken?
Users should update their firmware and restrict access to the vulnerable function to mitigate the risk.