Comfast CF-WR630AX 2.7.0.2 /usr/bin/webmgnt timestr/display_n code 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 (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6$0-$5k0.31-

Summaryinfo

A vulnerability identified as very critical has been detected in Comfast CF-WR630AX 2.7.0.2. Affected is an unknown function of the file /usr/bin/webmgnt. The manipulation of the argument timestr/display_n leads to code injection. This vulnerability is traded as CVE-2026-75363. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Comfast CF-WR630AX 2.7.0.2. It has been rated as very critical. This issue affects some unknown functionality of the file /usr/bin/webmgnt. The manipulation of the argument timestr/display_n with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue in Comfast CF-WR630AX v.2.7.0.2 allows a remote attacker to execute arbitrary code via the /usr/bin/webmgnt, /cgi-bin/mbox-config, and the parameters timestr, display_n.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-75363 since 08/17/2026. The exploitation is known to be easy. The attack may be initiated remotely. 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 08/26/2026). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.9
VulDB Temp Score: 9.6
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: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/17/2026 CVE reserved
08/26/2026 +9 days Advisory disclosed
08/26/2026 +0 days VulDB entry created
08/26/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-75363 (🔒)
GCVE (CVE): GCVE-0-2026-75363
GCVE (VulDB): GCVE-100-395999

Entryinfo

Created: 08/26/2026 23:18
Changes: 08/26/2026 23:18 (54)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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