MikroTik RouterOS up to 6.37.4/6.38.4 Web Server memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in MikroTik RouterOS up to 6.37.4/6.38.4. It has been classified as critical. This affects an unknown part of the component Web Server. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2017-20149. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in MikroTik RouterOS up to 6.37.4/6.38.4 (Router Operating System). This issue affects an unknown code block of the component Web Server. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Mikrotik RouterOS web server allows memory corruption in releases before Stable 6.38.5 and Long-term 6.37.5, aka Chimay-Red. A remote and unauthenticated user can trigger the vulnerability by sending a crafted HTTP request. An attacker can use this vulnerability to execute arbitrary code on the affected system, as exploited in the wild in mid-2017 and later.

The weakness was released 10/15/2022. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-20149 since 10/15/2022. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 6.37.5 or 6.38.5 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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 6.37.5/6.38.5

Timelineinfo

10/15/2022 🔍
10/15/2022 +0 days 🔍
10/15/2022 +0 days 🔍
05/14/2025 +942 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2017-20149 (🔍)
GCVE (CVE): GCVE-0-2017-20149
GCVE (VulDB): GCVE-100-210971

Entryinfo

Created: 10/15/2022 08:19
Updated: 05/14/2025 18:11
Changes: 10/15/2022 08:19 (41), 11/08/2022 17:16 (11), 05/14/2025 18:11 (15)
Complete: 🔍
Cache ID: 216::103

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