CVE-2026-75125

Description

PLANET GS-4210-16P2S firmware before 3.441b260626 contains an authenticated null pointer dereference vulnerability in /cgi-bin/dispatcher.cgi. The web_poe_alive_rmtip_post handler dereferences the rmtIP parameter without verifying its presence. A remote authenticated attacker can send a crafted request omitting the rmtIP parameter to cause the CGI process to dereference a null pointer and crash, resulting in denial of service of the web management interface.

CVSS Vector

References

• https://www.planet.com.tw/en/support/security-advisory/10
• https://www.vulncheck.com/advisories/planet-gs-4210-16p2s-null-pointer-dereference-dos-via-dispatcher-cgi-web-poe-alive-rmtip-post