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Fencer Intel
medium 6.5

CVE-2020-20265 json

Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /ram/pckg/wireless/nova/bin/wireless proc…

published 5y ago modified 4mo ago also EUVD-2020-13052

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

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.

Patch / fix

  • mikrotik routeros 6.47

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Exploit prediction

2.11% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • seclists.org http://seclists.org/fulldisclosure/2021/May/12 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org https://seclists.org/fulldisclosure/2021/May/11 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.