VDB-224319 · CVE-2023-27229 · EUVD-2023-31009

TOTOLINK A7100RU 7.4cu.2313_B20191024 Setting /setting/setWanIeCfg upBw command injection

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.
7.5	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in TOTOLINK A7100RU 7.4cu.2313_B20191024. The impacted element is an unknown function of the file /setting/setWanIeCfg of the component Setting Handler. Performing a manipulation of the argument upBw results in command injection. This vulnerability is cataloged as CVE-2023-27229. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in TOTOLINK A7100RU 7.4cu.2313_B20191024. This affects an unknown code of the file /setting/setWanIeCfg of the component Setting Handler. The manipulation of the argument upBw with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the upBw parameter at /setting/setWanIeCfg.

The weakness was shared 03/29/2023. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2023-27229 since 02/27/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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-2023-31009). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

TOTOLINK

Name

A7100RU

Version

7.4cu.2313_B20191024

License

commercial

Website

Vendor: https://www.totolink.net/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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

02/27/2023 🔍
03/29/2023 +29 days 🔍
03/29/2023 +0 days 🔍
11/16/2025 +963 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2023-27229 (🔍)
GCVE (CVE): GCVE-0-2023-27229
GCVE (VulDB): GCVE-100-224319
EUVD: 🔍

Entryinfo

Created: 03/29/2023 07:15
Updated: 11/16/2025 10:04
Changes: 03/29/2023 07:15 (40), 04/16/2023 16:25 (11), 11/16/2025 10:04 (16)
Complete: 🔍
Cache ID: 216::103