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CVE-2026-5178

Published: Mar 31, 2026

Modified: Apr 2, 2026

PUBLISHED

CVSS v3.1

6.3

MEDIUM

Description

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. 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:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-354246 | Totolink A3300R cstecgi.cgi setIptvCfg command injection

vdb-entry

technical-description

VDB-354246 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #779147 | Totolink A3300R 17.0.0cu.557_b20221024 Command Injection

third-party-advisory

https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_vlanPriLan3_cmd_inject

exploit

https://www.totolink.net/

product

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