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High severity7.5NVD Advisory· Published Oct 29, 2019· Updated Jun 17, 2026

CVE-2019-3977

CVE-2019-3977

Description

RouterOS 6.45.6 Stable, RouterOS 6.44.5 Long-term, and below insufficiently validate where upgrade packages are download from when using the autoupgrade feature. Therefore, a remote attacker can trick the router into "upgrading" to an older version of RouterOS and possibly reseting all the system's usernames and passwords.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • MikroTik/RouterOSdescription
  • Mikrotik/Routerosllm-fuzzy
    Range: <=6.45.6 Stable, <=6.44.5 Long-term

Patches

Vulnerability mechanics

References

1

News mentions

0

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