VDB-258072 · CVE-2024-27521 · GCVE-0-2024-27521

Totolink A3300R 17.0.0cu.557_B20221024 setOpModeCfg improper authentication

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.
8.8	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Totolink A3300R 17.0.0cu.557_B20221024. Affected by this issue is the function setOpModeCfg. The manipulation results in improper authentication. This vulnerability is reported as CVE-2024-27521. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Totolink A3300R 17.0.0cu.557_B20221024. It has been classified as very critical. Affected is the function setOpModeCfg. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

TOTOLINK A3300R V17.0.0cu.557_B20221024 was discovered to contain an unauthenticated remote command execution (RCE) vulnerability via multiple parameters in the "setOpModeCfg" function. This security issue allows an attacker to take complete control of the device. In detail, exploitation allows unauthenticated, remote attackers to execute arbitrary system commands with administrative privileges (i.e., as user "root").

This vulnerability is traded as CVE-2024-27521 since 02/26/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/09/2024).

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Totolink

Name

A3300R

Version

17.0.0cu.557_B20221024

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.9
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.0
CNA 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: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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

02/26/2024 🔍
03/26/2024 +29 days 🔍
03/26/2024 +0 days 🔍
08/09/2024 +136 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: github.com
Status: Not defined

CVE: CVE-2024-27521 (🔍)
GCVE (CVE): GCVE-0-2024-27521
GCVE (VulDB): GCVE-100-258072

Entryinfo

Created: 03/26/2024 21:33
Updated: 08/09/2024 23:53
Changes: 03/26/2024 21:33 (51), 05/05/2024 13:16 (1), 08/09/2024 23:53 (13)
Complete: 🔍
Cache ID: 216::103