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CWE

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CVE-2026-5679

Published: Apr 6, 2026

Modified: Apr 7, 2026

PUBLISHED

CVSS v3.1

5.5

MEDIUM

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.

Vendor	Product	Versions
Totolink	A3300R	affected `17.0.0cu.557_B20221024`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-355506 | Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection

vdb-entry

technical-description

VDB-355506 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #792650 | Totolink A3300R V17.0.0cu.557_B20221024 OS Command Injection

third-party-advisory

Submit #792798 | Totolink A3300R V17.0.0cu.557_B20221024 OS Command Injection (Duplicate)

third-party-advisory

https://github.com/Svigo-o/TOTOLINK-Vul/tree/main/totolink-a3300r-stun-pass-cmd-injection

exploit

https://www.totolink.net/

product

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