High 8.8Published Sep 25, 2025

CVE-2025-10948A vulnerability has been found in MikroTik RouterOS 7.

Updated under an hour ago (2026-10-19 07:23 UTC)

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Exploited in the last 30 days

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."

CVSS: 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-119, CWE-120
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Deferred
Record last updated: Oct 11, 2026
First seen by InfoSec Signals: Oct 11, 2026

Affected products

No affected products are listed yet.

References

https://github.com/a2ure123/libjson-unicode-buffer-overflow-poc
https://github.com/a2ure123/libjson-unicode-buffer-overflow-poc#technical-proof-of-concept
https://vuldb.com/?ctiid.325818
https://vuldb.com/?id.325818
https://vuldb.com/?submit.652387

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.