Skip to main content
CVE-2025-10948VulnerabilityPublished Updated

CVE-2025-10948: MikroTik RouterOS · Buffer Overflow

Affects MikroTik RouterOSSource CVE Database V5

0

Not known to be exploited · CVSS 8.7 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.0% chance of exploitation in 30 days – higher than 63% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
MikroTik RouterOSAffected
  • =7
Fixed in–

AI-suggested

European organizations should immediately inventory their network devices to identify MikroTik RouterOS version 7 deployments. They should prioritize upgrading all affected devices to MikroTik RouterOS version 7.21beta2 or later once the official patch is released. Until upgrades are applied, organizations should restrict access to the REST API endpoint /rest/ip/address/print by implementing network segmentation and firewall rules to limit exposure to trusted management networks only. Monitoring network traffic for unusual JSON payloads targeting this endpoint can help detect exploitation attempts. Employing intrusion detection/prevention systems (IDS/IPS) with updated signatures for this vulnerability is recommended. Organizations should also review and tighten router management access policies, disable unnecessary services, and ensure robust logging and alerting are in place to facilitate rapid incident response. Regular backups of router configurations should be maintained to enable swift recovery if compromise occurs. Coordination with MikroTik support and staying informed on patch releases and advisories is critical.

Description

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."

References

Community reviews

Loading reviews…