Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption…
Priority LOW 33CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /ram/pckg/wireless/nova/bin/wireless process. An authenticated remote attacker can cause a Denial of Service due via a crafted packet.
Why it matters now
EPSS 0.0211 81st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-20265
- 2026-10-03 Alias added: GHSA-8fqv-xw49-gh95
References
More MikroTik Routeros vulnerabilities
- TI-2018-05369 A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-58872 SSH session privilege manipulation via a crafted username in Mikrotik RouterOS KEVCVSS 4.0CRITICAL 9.2
- TI-2018-10669 MikroTik RouterOS through 6.42 allows unauthenticated remote attackers to read arbitrary… KEVCVSS 3.1CRITICAL 9.1
- TI-2026-47574 Kernel memory disclosure and denial of service in MikroTik RouterOS btest service KEVCVSS 4.0HIGH 8.8
- TI-2026-47576 SSH Pre-Authentication Rekey State Bypass in MikroTik RouterOS KEVCVSS 4.0MEDIUM 6.9
- TI-2022-22302 Out-of-bounds read in MicroTik RouterOS CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-20265 · CVE Program
- CVE-2020-20265 · NVD
- FIRST EPSS
- GHSA-8fqv-xw49-gh95 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences