A weakness has been identified in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument langType causes command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Totolink WA300 affected
Version Status Constraints
5.2cu.7112_B20190227 affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

Vendors Products
Totolink Subscribe
Wa300 Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-setLanguageCfg-34553a41781f8007b6c5c7964d424286 cve-icon cve-icon
https://vuldb.com/submit/807198 cve-icon cve-icon
https://vuldb.com/vuln/360896 cve-icon cve-icon
https://vuldb.com/vuln/360896/cti cve-icon cve-icon
https://www.totolink.net/ cve-icon cve-icon
History

Mon, 04 May 2026 02:00:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument langType causes command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.
Title Totolink WA300 POST Request cstecgi.cgi setLanguageCfg command injection
First Time appeared Totolink
Totolink wa300 Firmware
Weaknesses CWE-74
CWE-77
CPEs cpe:2.3:o:totolink:wa300_firmware:*:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink wa300 Firmware
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-04T01:45:14.135Z

Reserved: 2026-05-03T08:09:46.636Z

Link: CVE-2026-7720

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-04T02:15:58.840

Modified: 2026-05-04T02:15:58.840

Link: CVE-2026-7720

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-04T03:30:35Z

Weaknesses