Paessler PRTG Network Monitor up to 18.1.39 API Call memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Paessler PRTG Network Monitor up to 18.1.39. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component API Call Handler. Performing a manipulation results in memory corruption. This vulnerability is cataloged as CVE-2018-10253. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Paessler PRTG Network Monitor up to 18.1.39 (Network Management Software). This affects an unknown code block of the component API Call Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

Paessler PRTG Network Monitor before 18.1.39.1648 mishandles stack memory during unspecified API calls.

The bug was discovered 04/23/2018. The weakness was shared 04/21/2018 (Website). It is possible to read the advisory at paessler.com. This vulnerability is uniquely identified as CVE-2018-10253 since 04/20/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11958 (PRTG Network Monitor DOS vulnerability).

Upgrading to version 18.1.39.1648 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (44500). The entry VDB-105713 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Network Management Software

Vendor

• Paessler

Name

• PRTG Network Monitor

Version

• 18.1.0
• 18.1.1
• 18.1.2
• 18.1.3
• 18.1.4
• 18.1.5
• 18.1.6
• 18.1.7
• 18.1.8
• 18.1.9
• 18.1.10
• 18.1.11
• 18.1.12
• 18.1.13
• 18.1.14
• 18.1.15
• 18.1.16
• 18.1.17
• 18.1.18
• 18.1.19
• 18.1.20
• 18.1.21
• 18.1.22
• 18.1.23
• 18.1.24
• 18.1.25
• 18.1.26
• 18.1.27
• 18.1.28
• 18.1.29
• 18.1.30
• 18.1.31
• 18.1.32
• 18.1.33
• 18.1.34
• 18.1.35
• 18.1.36
• 18.1.37
• 18.1.38
• 18.1.39

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 860820
OpenVAS Name: PRTG Network Monitor < 18.1.39.1648 Stack Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: PRTG Network Monitor 18.1.39.1648

Timelineinfo

04/20/2018 🔍
04/20/2018 +0 days 🔍
04/21/2018 +1 days 🔍
04/21/2018 +0 days 🔍
04/23/2018 +2 days 🔍
11/16/2025 +2764 days 🔍

Sourcesinfo

Advisory: paessler.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-10253 (🔍)
GCVE (CVE): GCVE-0-2018-10253
GCVE (VulDB): GCVE-100-116919
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/21/2018 18:40
Updated: 11/16/2025 17:54
Changes: 04/21/2018 18:40 (66), 01/30/2020 10:55 (5), 11/16/2025 17:54 (18)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

Interested in the pricing of exploits?

See the underground prices here!