CVE-2026-75122
CVE-2026-75122
PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/httpuploadcert.cgi. The certificate password field in a certificate upload request is incorporated into a shell command without sanitization of shell metacharacters. A remote attacker with administrator web credentials can submit a crafted certificate upload request to execute arbitrary operating-system commands on the device.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.002
Weakness classification (CWE)
References
- www.planet.com.tw/en/support/security-advisory/10 (vendor-advisory, patch)
- www.vulncheck.com/advisories/planet-gs-4210-16p2s-command-injection-via-httpupl… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-75122?
- CVE-2026-75122 is a high-severity vulnerability, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-08-28.
- How severe is CVE-2026-75122?
- High severity. CVSS v3 base score is 7.2 out of 10.