CVE-2026-6158 MEDIUM

CVE-2026-6158: Totolink N300RH upgrade.so setUpgradeUboot os command injection

Vendor Totolink
Product N300RH
Weakness CWE-78
Published April 13, 2026
Last update April 16, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A flaw has been found in Totolink N300RH 6.1c.1353_B20190305. Affected is the function setUpgradeUboot of the file upgrade.so. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used.

Key dates

02Disclosure timeline

April 13, 2026 CVE published
April 16, 2026 Record updated