Using a Python script replicating CVE-2018-14847, the attacker downloads user.dat . They then crack the hash using John the Ripper or Hashcat. Time to crack a weak password (e.g., "admin" or "1234"): Less than 2 seconds.
Upgrade to the latest MikroTik Long-term or Stable version. mikrotik 6.47.10 exploit
: If the RouterOS API (port 8728/8729) is enabled with default or weak credentials, it is a primary target for automated scripts. Upgrade to the latest MikroTik Long-term or Stable version
When the router processed the %00 (null byte), it terminated the string comparison, granting access without a valid password. While the major disclosure was made public in 2022, darknet forums had been exploiting similar logic on 6.47.x since 2021. While the major disclosure was made public in
Leo, a lead security researcher, had been tracking a series of strange network "hiccups." It started as a routine investigation into a Denial of Service (DoS) vulnerability