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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Totolink N300RH affected
Version Status Constraints
6.1c.1353_B20190305 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Totolink Subscribe
N300rh Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/xyh4ck/iot_poc/tree/main/TOTOLINK/N300RHv4/02_setUpgradeUboot_RCE cve-icon cve-icon
https://vuldb.com/submit/796426 cve-icon cve-icon
https://vuldb.com/vuln/357038 cve-icon cve-icon
https://vuldb.com/vuln/357038/cti cve-icon cve-icon
https://www.totolink.net/ cve-icon cve-icon
History

Mon, 13 Apr 2026 05:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Totolink N300RH upgrade.so setUpgradeUboot os command injection
First Time appeared Totolink
Totolink n300rh Firmware
Weaknesses CWE-77
CWE-78
CPEs cpe:2.3:o:totolink:n300rh_firmware:*:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink n300rh Firmware
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.9, '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'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-04-13T04:00:19.297Z

Reserved: 2026-04-12T18:06:33.592Z

Link: CVE-2026-6158

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-13T05:16:05.003

Modified: 2026-04-13T05:16:05.003

Link: CVE-2026-6158

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses