VDB-234215 · CVE-2023-37793 · EUVD-2023-41667

WAYOS FBM-291W 19.09.11V /upgrade_filter.asp buffer overflow

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in WAYOS FBM-291W 19.09.11V. This vulnerability affects unknown code of the file /upgrade_filter.asp. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2023-37793. No exploit is available.

Detailsinfo

A vulnerability was found in WAYOS FBM-291W 19.09.11V. It has been rated as critical. This issue affects some unknown functionality of the file /upgrade_filter.asp. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

WAYOS FBM-291W 19.09.11V was discovered to contain a buffer overflow via the component /upgrade_filter.asp.

The weakness was published 07/15/2023. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2023-37793 since 07/10/2023. Technical details of the vulnerability are known, but there is no available exploit.

By approaching the search of inurl:upgrade_filter.asp it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-41667). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

WAYOS

Name

FBM-291W

Version

19.09.11V

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/10/2023 🔍
07/15/2023 +5 days 🔍
07/15/2023 +0 days 🔍
01/18/2026 +918 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2023-37793 (🔍)
GCVE (CVE): GCVE-0-2023-37793
GCVE (VulDB): GCVE-100-234215
EUVD: 🔍

Entryinfo

Created: 07/15/2023 06:19
Updated: 01/18/2026 09:21
Changes: 07/15/2023 06:19 (38), 01/18/2026 09:21 (16)
Complete: 🔍
Cache ID: 216::103