---
id: CVE-2025-10948
title: A vulnerability has been found in MikroTik RouterOS 7
summary: >-
  A vulnerability has been found in MikroTik RouterOS 7. This affects the
  function parse_json_element of the file /rest/ip/address/print of the
  component libjson.so. The manipulation leads to buffer overflow. The attack is
  possible to be c…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-120
published: '2025-09-25'
updated: '2026-10-11'
sourceUpdated: '2026-10-11T20:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-10948'
references:
  - url: 'https://github.com/a2ure123/libjson-unicode-buffer-overflow-poc'
    label: cna@vuldb.com
  - url: >-
      https://github.com/a2ure123/libjson-unicode-buffer-overflow-poc#technical-proof-of-concept
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.325818'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.325818'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.652387'
    label: cna@vuldb.com
  - url: 'https://github.com/a2ure123/libjson-unicode-buffer-overflow-poc'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00774
epssPercentile: 0.54474
ingestedAt: '2026-10-12T14:50:33.989Z'
---

## Overview

A vulnerability has been found in MikroTik RouterOS 7. This affects the function parse_json_element of the file /rest/ip/address/print of the component libjson.so. The manipulation leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 7.20.1 and 7.21beta2 mitigates this issue. You should upgrade the affected component. The vendor replied: "Our bug tracker reports that your issue has been fixed. This means that we plan to release a RouterOS update with this fix. Make sure to upgrade to the next release when it comes out."

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.