MikroTik RouterOS 7 libjson.so /rest/ip/address/print parse_json_element buffer overflow

Summaryinfo

A vulnerability labeled as critical has been found in MikroTik RouterOS 7. This impacts the function parse_json_element of the file /rest/ip/address/print of the component libjson.so. The manipulation results in buffer overflow. This vulnerability was named CVE-2025-10948. The attack may be performed from remote. In addition, an exploit is available. The affected component should be upgraded. 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."

Detailsinfo

A vulnerability classified as critical has been found in MikroTik RouterOS 7. Affected is the function parse_json_element of the file /rest/ip/address/print of the component libjson.so. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability is traded as CVE-2025-10948. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. 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."

Upgrading to version 7.20.1 or 7.21beta2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-31088). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: RouterOS 7.20.1/7.21beta2

Timelineinfo

09/25/2025 Advisory disclosed
09/25/2025 +0 days VulDB entry created
10/13/2025 +18 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-10948 (🔒)
GCVE (CVE): GCVE-0-2025-10948
GCVE (VulDB): GCVE-100-325818
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/25/2025 08:08
Updated: 10/13/2025 19:03
Changes: 09/25/2025 08:08 (58), 09/26/2025 04:58 (31), 10/06/2025 07:47 (7), 10/06/2025 09:49 (1), 10/07/2025 16:35 (7), 10/13/2025 19:03 (1)
Complete: 🔍
Submitter: a2ure
Cache ID: 216::103

Submitinfo

Accepted

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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