What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-13 · updated 2026-10-26
• Weakness: CWE-77

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.

Affected products

• Totolink N300RH: 6.1c.1353_B20190305

References

• https://github.com/xyh4ck/iot_poc/tree/main/TOTOLINK/N300RHv4/02_setUpgradeUboot_RCE
• https://vuldb.com/submit/796426
• https://vuldb.com/vuln/357038
• https://vuldb.com/vuln/357038/cti
• https://www.totolink.net/

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