CVE-2020-20264
MEDIUM
6.5
CVSS Score
Published: May 19, 2021 at 11:19 AM UTC
Updated: June 17, 2026 at 03:02 AM UTC
1 product affected across 1 vendorRouterOS
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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%
Description
Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 6.47
Affected range stops below 6.47, so it looks safe — our inference, not a vendor statement
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_MISCBroken LinkThird Party Advisory
Source: [email protected]
https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_netwatch/README.mdx_refsource_MISCMailing Listx_refsource_FULLDISCExploitThird Party Advisory
Source: [email protected]
https://seclists.org/fulldisclosure/2021/May/11CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-369
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