TOTOLINK X6000R 9.4.0cu.652_B20230116 Wi-Fi Filtering Rule 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.
6.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in TOTOLINK X6000R 9.4.0cu.652_B20230116. This affects an unknown part of the component Wi-Fi Filtering Rule Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is handled as CVE-2025-25524. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in TOTOLINK X6000R 9.4.0cu.652_B20230116. It has been declared as critical. This vulnerability affects an unknown part of the component Wi-Fi Filtering Rule Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow vulnerability in TOTOLink X6000R routers V9.4.0cu.652_B20230116 due to the lack of length verification, which is related to the addition of Wi-Fi filtering rules. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.

The advisory is shared for download at gist.github.com. This vulnerability was named CVE-2025-25524 since 02/07/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/30/2025).

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-2025-4122). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/07/2025 🔍
02/11/2025 +4 days 🔍
02/11/2025 +0 days 🔍
05/30/2025 +108 days 🔍

Sourcesinfo

Vendor: totolink.net

Advisory: gist.github.com
Status: Not defined

CVE: CVE-2025-25524 (🔍)
GCVE (CVE): GCVE-0-2025-25524
GCVE (VulDB): GCVE-100-295396
EUVD: 🔍

Entryinfo

Created: 02/11/2025 21:43
Updated: 05/30/2025 06:51
Changes: 02/11/2025 21:43 (53), 05/30/2025 06:51 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!