GL.iNet GL-MT3000 up to 4.4.5 modem.so /cgi-bin/glc remove_profile command injection

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
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8.9$0-$5k1.68

Summaryinfo

A vulnerability categorized as critical has been discovered in GL.iNet GL-MT3000 up to 4.4.5. Impacted is the function remove_profile of the file /cgi-bin/glc of the component modem.so. Such manipulation leads to command injection. This vulnerability is referenced as CVE-2026-18684. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

Detailsinfo

A vulnerability was found in GL.iNet GL-MT3000 up to 4.4.5 and classified as very critical. Affected by this issue is the function remove_profile of the file /cgi-bin/glc of the component modem.so. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-18684. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/03/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.8
VulDB Temp Score: 8.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/03/2026 Advisory disclosed
08/03/2026 +0 days VulDB entry created
08/03/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-18684 (🔒)
GCVE (CVE): GCVE-0-2026-18684
GCVE (VulDB): GCVE-100-385610
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/03/2026 17:55
Changes: 08/03/2026 17:55 (59)
Complete: 🔍
Submitter: Strforexc2
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #851581: GL.iNet GL-MT3000 4.4.5 Command Injection (by Strforexc2)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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