# CVE-2026-75125

## Summary

- **CVE ID:** CVE-2026-75125
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-476
- **Published:** Aug 28, 2026
- **Last Modified:** Sep 1, 2026

## 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.

## Affected Products

- PLANET Technology Corp. — PLANET GS-4210-16P2S (0)
- PLANET Technology Corp. — PLANET GS-4210-16P2S V3 (0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.39%
- **EPSS Percentile:** 32.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._