Buffer Overflow in MikroTik RouterOS 7 Affects Remote Address Management
CVE-2025-10948

8.7HIGH

Key Information:

Vendor

Mikrotik

Status
Routeros
Vendor
CVE Published:
25 September 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-10948?

A buffer overflow vulnerability has been identified in MikroTik RouterOS 7, specifically impacting the 'parse_json_element' function within the 'libjson.so' component. This flaw allows an attacker to exploit the system remotely by manipulating the JSON input during address management operations. The public disclosure of this vulnerability poses a significant concern for users, especially considering the absence of a response from the vendor upon initial notification. Administrators are urged to assess their systems and implement necessary security measures to mitigate potential threats associated with this exploit.

Affected Version(s)

RouterOS 7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-10948 - Proof of Concept

CVE-2025-10948 - Proof of Concept

References

https://vuldb.com/?id.325818
vdb-entrytechnical-description
https://vuldb.com/?ctiid.325818
signaturepermissions-required
https://vuldb.com/?submit.652387
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

a2ure (VulDB User)
JSON
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CVE-2025-10948 : Buffer Overflow in MikroTik RouterOS 7 Affects Remote Address Management