VDB-259753 · CVE-2024-31809 · GCVE-0-2024-31809

Totolink EX200 4.0.3c.7646_B20201211 setUpgradeFW FileName special elements into a different plane (special element 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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Totolink EX200 4.0.3c.7646_B20201211. Affected is the function setUpgradeFW. This manipulation of the argument FileName causes Remote Privilege Escalation. This vulnerability appears as CVE-2024-31809. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Totolink EX200 4.0.3c.7646_B20201211 and classified as critical. Affected by this vulnerability is the function setUpgradeFW. The manipulation of the argument FileName with an unknown input leads to a remote privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-75. The product does not adequately filter user-controlled input for special elements with control implications. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution (RCE) vulnerability via the FileName parameter in the setUpgradeFW function.

The advisory is shared at github.com. This vulnerability is known as CVE-2024-31809 since 04/05/2024. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Totolink

Name

EX200

Version

4.0.3c.7646_B20201211

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

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

Exploitinginfo

Class: Failure to sanitize special elements into a different plane (special element injection)
CWE: CWE-75 / CWE-707 / CWE-20
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

04/05/2024 🔍
04/08/2024 +3 days 🔍
04/08/2024 +0 days 🔍
03/18/2025 +344 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2024-31809 (🔍)
GCVE (CVE): GCVE-0-2024-31809
GCVE (VulDB): GCVE-100-259753

Entryinfo

Created: 04/08/2024 14:52
Updated: 03/18/2025 17:15
Changes: 04/08/2024 14:52 (51), 03/18/2025 17:15 (2)
Complete: 🔍
Cache ID: 216::103