CVE-2026-7720

Totolink WA300 POST Request cstecgi.cgi setLanguageCfg command injection

MEDIUM
6.3
CVSS Score
Published: May 4, 2026 at 01:45 AM UTC
Updated: October 26, 2026 at 07:10 PM UTC
2 products affected across 1 vendorWA300 FirmwareWA300

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Severity
MEDIUM6.3
Exploit prediction
EPSS 1%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/360896
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/360896/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/807198
Product
Source: cverecord
https://www.totolink.net/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-77CWE-74

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