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High [CVE-2025-10948] RouterOS: vulnerability has been found in MikroTik RouterOS 7.

This high-severity MikroTik advisory covers CVE-2025-10948 affecting MikroTik RouterOS.

CVE-2025-10948 Published Sep 25, 2025Updated by vendor Jun 17, 2026
Affected products & platforms
MikroTikRouterOS
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Summary

A buffer overflow vulnerability has been discovered in MikroTik RouterOS 7, affecting the parse_json_element function within the libjson.so component. The vulnerability is triggered through the /rest/ip/address/print endpoint and can be exploited remotely.

The exploit for this issue has been publicly disclosed and may be actively used. Upgrading to RouterOS version 7.20.1 or 7.21beta2 mitigates this issue.

The vendor has confirmed that a fix has been implemented and plans to release a RouterOS update containing the patch. Users should upgrade to the latest available version to ensure full protection.

MikroTik always recommends keeping RouterOS devices up to date and using a strong firewall so REST API and management services are available only from trusted networks.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Fixed versions
  • 7.20.1
  • 7.21beta2

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade RouterOS to a fixed release: 7.20.1, 7.21beta2.
  • MikroTik always recommends keeping RouterOS devices up to date and using a strong firewall so REST API and management services are available only from trusted networks.

Official advisory · high-confidence parse· fetched 12 days ago·verify at source

Discussion(0)

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