PLANET Technology Corp. PLANET GS-4210-16P2S up to 3.441b260625 Certificate Upload httpuploadcert.cgi certificate password os command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k1.95

Summaryinfo

A vulnerability identified as very critical has been detected in PLANET Technology Corp. PLANET GS-4210-16P2S up to 3.441b260625. This impacts an unknown function of the file /cgi-bin/httpuploadcert.cgi of the component Certificate Upload. Performing a manipulation of the argument certificate password results in os command injection. This vulnerability is reported as CVE-2026-75122. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as very critical, was found in PLANET Technology Corp. PLANET GS-4210-16P2S up to 3.441b260625. This affects some unknown functionality of the file /cgi-bin/httpuploadcert.cgi of the component Certificate Upload. The manipulation of the argument certificate password with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

PLANET GS-4210-16P2S 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.

It is possible to read the advisory at planet.com.tw. This vulnerability is uniquely identified as CVE-2026-75122 since 08/17/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Additional levels of successful authentication are required for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/28/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 3.441b260626 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.9

VulDB Base Score: 9.1
VulDB Temp Score: 8.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: PLANET GS-4210-16P2S 3.441b260626

Timelineinfo

08/17/2026 CVE reserved
08/28/2026 +11 days Advisory disclosed
08/28/2026 +0 days VulDB entry created
08/28/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: planet.com.tw
Status: Confirmed

CVE: CVE-2026-75122 (🔒)
GCVE (CVE): GCVE-0-2026-75122
GCVE (VulDB): GCVE-100-396867

Entryinfo

Created: 08/28/2026 22:42
Changes: 08/28/2026 22:42 (77)
Complete: 🔍
Cache ID: 216::103

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