High 7.3Published Apr 13, 2026

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

Updated under an hour ago (Oct 28, 2026, 6:30 AM ET)

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Every CVE for Totolink N300RH

Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, CNA)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
Weakness (CWE): CWE-78, CWE-77
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Apr 16, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Totolink N300RH totolink:n300rh_firmware	6.1c.1353_B20190305	CNA record

References

References

https://vuldb.com/vuln/357038	vdb-entry, technical-description
https://vuldb.com/vuln/357038/cti	signature, permissions-required
https://vuldb.com/submit/796426	third-party-advisory
https://github.com/xyh4ck/iot_poc/tree/main/TOTOLINK/N300RHv4/02_setUpgradeUboot_RCE	exploit, patch
https://www.totolink.net/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.