Tenda A18 Pro 02.03.02.28 fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.12

Summaryinfo

A vulnerability classified as critical has been found in Tenda A18 Pro 02.03.02.28. This issue affects the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. This manipulation causes stack-based overflow. This vulnerability is registered as CVE-2026-4489. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Tenda A18 Pro 02.03.02.28. It has been declared as critical. Affected by this vulnerability is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-4489. 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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / 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

03/20/2026 Advisory disclosed
03/20/2026 +0 days VulDB entry created
03/26/2026 +6 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-4489 (🔒)
GCVE (CVE): GCVE-0-2026-4489
GCVE (VulDB): GCVE-100-352015
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/20/2026 09:37
Updated: 03/26/2026 20:37
Changes: 03/20/2026 09:37 (56), 03/26/2026 20:37 (32)
Complete: 🔍
Submitter: lilukun
Cache ID: 216:7EB:103

Submitinfo

Accepted

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