TOTOLINK T6 4.1.5cu.748 WiFi Configuration /cgi-bin/cstecgi.cgi getWiFiEasyCfg access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k1.15

Summaryinfo

A vulnerability marked as problematic has been reported in TOTOLINK T6 4.1.5cu.748. The impacted element is the function getWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component WiFi Configuration Handler. This manipulation causes access control. The identification of this vulnerability is CVE-2026-51625. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in TOTOLINK T6 4.1.5cu.748. It has been declared as problematic. Affected by this vulnerability is the function getWiFiEasyCfg of the file /cgi-bin/cstecgi.cgi of the component WiFi Configuration Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality. The summary by CVE is:

Incorrect access control in the getWiFiEasyCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain sensitive information such as SSIDs and Wi-Fi keys, via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

It is possible to read the advisory at totolink.net. This vulnerability is known as CVE-2026-51625 since 06/08/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/28/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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

06/08/2026 CVE reserved
08/28/2026 +81 days Advisory disclosed
08/28/2026 +0 days VulDB entry created
08/28/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: totolink.net

Advisory: totolink.net
Status: Not defined

CVE: CVE-2026-51625 (🔒)
GCVE (CVE): GCVE-0-2026-51625
GCVE (VulDB): GCVE-100-396799

Entryinfo

Created: 08/28/2026 21:50
Changes: 08/28/2026 21:50 (54)
Complete: 🔍
Cache ID: 216::103

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