CVE-2026-77683: Command Injection in Comfast CF-N1-S
A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function system of the file /cgi-bin/mbox-config?method=SET§ion=ntp_timezone. The manipulation of the argument timestr results in command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
AI Analysis
Technical Summary
This vulnerability affects Comfast CF-N1-S version 2.6.0.1 and involves command injection via the timestr parameter in the system function of the /cgi-bin/mbox-config?method=SET§ion=ntp_timezone endpoint. An attacker can remotely supply crafted input to execute arbitrary commands on the device. The CVSS 4.0 base score is 9.4, indicating critical severity with network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, availability, and security requirements. Public exploit code has been released, but no official patch or fix has been documented.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected device, potentially leading to full compromise of the system. The vulnerability impacts confidentiality, integrity, and availability of the device and its data. Given the public availability of exploit code, the risk of active exploitation is elevated.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the vulnerable endpoint and consider network-level controls to limit exposure. Monitor for any updates from Comfast regarding patches or mitigations.
CVE-2026-77683: Command Injection in Comfast CF-N1-S
Description
A security flaw has been discovered in Comfast CF-N1-S 2.6.0.1. Affected by this issue is the function system of the file /cgi-bin/mbox-config?method=SET§ion=ntp_timezone. The manipulation of the argument timestr results in command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
CVSS v4.0
Score 9.4critical
Affected software
cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Comfast CF-N1-S version 2.6.0.1 and involves command injection via the timestr parameter in the system function of the /cgi-bin/mbox-config?method=SET§ion=ntp_timezone endpoint. An attacker can remotely supply crafted input to execute arbitrary commands on the device. The CVSS 4.0 base score is 9.4, indicating critical severity with network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, availability, and security requirements. Public exploit code has been released, but no official patch or fix has been documented.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary commands on the affected device, potentially leading to full compromise of the system. The vulnerability impacts confidentiality, integrity, and availability of the device and its data. Given the public availability of exploit code, the risk of active exploitation is elevated.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict access to the vulnerable endpoint and consider network-level controls to limit exposure. Monitor for any updates from Comfast regarding patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-21T05:31:50.847Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8826fcacd9273b49fcf5f7
Added to database: 08/21/2026, 10:22:52 UTC
Last enriched: 08/21/2026, 10:37:04 UTC
Last updated: 08/21/2026, 11:03:50 UTC
Views: 21
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