CVE-2020-5756
HIGH
8.8
CVSS Score
Published: July 17, 2020 at 08:16 PM UTC
Updated: June 17, 2026 at 03:22 AM UTC
3 products affected across 2 vendorsGWN7000 FirmwareGwn7000Grandstream GWN7000
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Severity
HIGH8.8
Exploit prediction
EPSS 2%
Description
Grandstream GWN7000 firmware version 1.0.9.4 and below allows authenticated remote users to modify the system's crontab via undocumented API. An attacker can use this functionality to execute arbitrary OS commands on the router.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 1.0.9.4
Gwn7000· Grandstreamdevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
x_refsource_CONFIRMx_refsource_MISCNot Applicable
Source: [email protected]
https://www.tenable.com/security/research/tra-2020-41CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-489CWE-78
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