TOTOLINK T6 4.1.5cu.748 /cgi-bin/cstecgi.cgi getWiFiWpsCfg 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-$5k0.77

Summaryinfo

A vulnerability described as problematic has been identified in TOTOLINK T6 4.1.5cu.748. This affects the function getWiFiWpsCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation leads to access control. This vulnerability is referenced as CVE-2026-51626. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in TOTOLINK T6 4.1.5cu.748. It has been rated as problematic. Affected by this issue is the function getWiFiWpsCfg of the file /cgi-bin/cstecgi.cgi. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality. CVE summarizes:

Incorrect access control in the getWiFiWpsCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to obtain WPS configuration, including the current PIN, via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

The advisory is shared for download at totolink.net. This vulnerability is handled as CVE-2026-51626 since 06/08/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/28/2026). The MITRE ATT&CK project declares the attack technique as T1068.

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

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

Productinfo

Vendor

Name

Version

License

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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💳💳💳💳💳💳
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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-2026-51626 (🔒)
GCVE (CVE): GCVE-0-2026-51626
GCVE (VulDB): GCVE-100-396800

Entryinfo

Created: 08/28/2026 21:51
Changes: 08/28/2026 21:51 (53)
Complete: 🔍
Cache ID: 216::103

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