CVE-2026-5679

Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection

MEDIUM
5.5
CVSS Score
Published: April 6, 2026 at 07:00 PM UTC
Updated: July 24, 2026 at 09:23 AM UTC
2 products affected across 1 vendorA3300R FirmwareA3300R

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Severity
MEDIUM5.5
Exploit prediction
EPSS 2%
SSVC
PoC

Description

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass leads to os command injection. The exploit has been disclosed publicly and may be used.

Affected

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

17.0.0cu.557_B20221024

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 (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/355506
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/355506/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/792650
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/792798
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

5.5MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-78CWE-77

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