VDB-311600 · Submit #591420 · CVE-2025-5854

Tenda AC6 15.03.05.16 /goform/AdvSetLanip fromadvsetlanip lanMask 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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Tenda AC6 15.03.05.16. This vulnerability affects the function fromadvsetlanip of the file /goform/AdvSetLanip. Such manipulation of the argument lanMask leads to buffer overflow. This vulnerability is referenced as CVE-2025-5854. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tenda AC6 15.03.05.16. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at lavender-bicycle-a5a.notion.site. This vulnerability is handled as CVE-2025-5854. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available at lavender-bicycle-a5a.notion.site. It is declared as proof-of-concept.

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-2025-17418). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Router Operating System

Vendor

Tenda

Name

Version

15.03.05.16

License

commercial

Website

Vendor: https://www.tenda.com.cn/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
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: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

06/08/2025 🔍
06/08/2025 +0 days 🔍
06/09/2025 +1 days 🔍

Sourcesinfo

Vendor: tenda.com.cn

Advisory: lavender-bicycle-a5a.notion.site
Status: Not defined

CVE: CVE-2025-5854 (🔍)
GCVE (CVE): GCVE-0-2025-5854
GCVE (VulDB): GCVE-100-311600
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/08/2025 11:34
Updated: 06/09/2025 04:16
Changes: 06/08/2025 11:34 (57), 06/09/2025 03:32 (31), 06/09/2025 04:16 (1)
Complete: 🔍
Submitter: yhryhryhr_tutu
Cache ID: 216::103

Submitinfo

Accepted

Submit #591420: Tenda AC6 V1.0 V15.03.05.16 Buffer Overflow (by yhryhryhr_tutu)

Duplicate

Submit #XXXXXX: Xxxxx Xxx Xx.x Xxx.xx.xx.xx Xxxxxx Xxxxxxxx (by ysnysn)

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