GL-iNet AX1800 4.6.4/4.6.8 API Call /tmp improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability was found in GL-iNet AX1800 4.6.4/4.6.8. It has been declared as critical. This affects an unknown function of the file /tmp of the component API Call Handler. Executing a manipulation can lead to improper authentication. This vulnerability is registered as CVE-2025-67091. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in GL-iNet AX1800 4.6.4/4.6.8 and classified as critical. This vulnerability affects some unknown processing of the file /tmp of the component API Call Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue in GL Inet GL.Inet AX1800 Version 4.6.4 & 4.6.8 are vulnerable. GL.Inet AX1800 Version 4.6.4 & 4.6.8 in the GL.iNet custom opkg wrapper script located at /usr/libexec/opkg-call. The script is executed with root privileges when triggered via the LuCI web interface or authenticated API calls to manage packages. The vulnerable code uses shell redirection to create a lock file in the world-writable /tmp directory.

This vulnerability was named CVE-2025-67091 since 12/08/2025. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/08/2026).

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

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
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: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

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

12/08/2025 CVE reserved
01/08/2026 +31 days Advisory disclosed
01/08/2026 +0 days VulDB entry created
01/08/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2025-67091 (🔒)
GCVE (CVE): GCVE-0-2025-67091
GCVE (VulDB): GCVE-100-340150

Entryinfo

Created: 01/08/2026 19:02
Changes: 01/08/2026 19:02 (53)
Complete: 🔍
Cache ID: 216::103

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