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CVE-2025-8938

Published: Aug 14, 2025

Modified: Aug 15, 2025

PUBLISHED

CVSS v3.1

6.3

MEDIUM

Description

A vulnerability was found in TOTOLINK N350R 1.2.3-B20130826. This issue affects the function formSysTel of the file /boafrm/formSysTel of the component Telnet Service. The manipulation of the argument TelEnabled leads to backdoor. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Vendor	Product	Versions
TOTOLINK	N350R	affected `1.2.3-B20130826`

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:W/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-319901 | TOTOLINK N350R Telnet Service formSysTel backdoor

vdb-entry

technical-description

VDB-319901 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #631837 | TOOLINK N350R V1.2.3-B20130826 Backdoor

third-party-advisory

https://github.com/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.md

related

https://github.com/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.md#poc

exploit

https://www.totolink.net/

product

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