Tenda AC10 16.03.10.20 AdvSetMacMtuWan mac2 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
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8.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Tenda AC10 16.03.10.20 and classified as critical. Affected is the function AdvSetMacMtuWan. Executing a manipulation of the argument mac2 can lead to buffer overflow. This vulnerability appears as CVE-2025-25456. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in Tenda AC10 16.03.10.20 and classified as critical. This vulnerability affects the function AdvSetMacMtuWan. The manipulation of the argument mac2 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:

Tenda AC10 V4.0si_V16.03.10.20 is vulnerable to Buffer Overflow in AdvSetMacMtuWan via mac2.

The advisory is available at github.com. This vulnerability was named CVE-2025-25456 since 02/07/2025. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/16/2025).

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

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Productinfo

Type

Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.5

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/07/2025 🔍
04/15/2025 +66 days 🔍
04/15/2025 +0 days 🔍
04/16/2025 +1 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2025-25456 (🔍)
GCVE (CVE): GCVE-0-2025-25456
GCVE (VulDB): GCVE-100-304798

Entryinfo

Created: 04/15/2025 21:55
Updated: 04/16/2025 16:14
Changes: 04/15/2025 21:55 (55), 04/16/2025 16:14 (1)
Complete: 🔍
Cache ID: 216::103

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