Tenda AC20 up to 16.03.08.12 /goform/WifiExtraSet wpapsk_crypto buffer overflow

Summaryinfo

A vulnerability identified as critical has been detected in Tenda AC20 up to 16.03.08.12. This affects an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. This vulnerability appears as CVE-2025-13258. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Tenda AC20 up to 16.03.08.12. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto 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.

The advisory is shared at github.com. This vulnerability is known as CVE-2025-13258. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. 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 databases at CNNVD (CNNVD-202511-1951) and EUVD (EUVD-2025-197753). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

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

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: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

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

11/16/2025 Advisory disclosed
11/16/2025 +0 days VulDB entry created
11/18/2025 +2 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2025-13258 (🔒)
GCVE (CVE): GCVE-0-2025-13258
GCVE (VulDB): GCVE-100-332593
EUVD: 🔒
CNNVD: CNNVD-202511-1951 - Tenda AC20 安全漏洞

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/16/2025 11:52
Updated: 11/18/2025 15:59
Changes: 11/16/2025 11:52 (56), 11/17/2025 04:44 (31), 11/17/2025 07:56 (1), 11/18/2025 15:59 (6)
Complete: 🔍
Submitter: Yun Zhang
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #688716: Tenda AC20 Router Affected firmware version: <= V16.03.08.12 Buffer Overflow (by Yun Zhang)

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

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