CVE-2025-6619: medium-severity vulnerability in TOTOLINK CA300-PoE
TOTOLINK CA300-PoE upgrade.so setUpgradeFW os command injection
Published
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 2.5%
A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been declared as critical. Affected by this vulnerability is the function setUpgradeFW of the file upgrade.so. The manipulation of the argument FileName leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
TOTOLINK · CA300-PoERelated CVEs — TOTOLINK CA300-PoE
In the same product, most dangerous first.
CVE-2024-7217MEDIUMTOTOLINK CA300-PoE cstecgi.cgi loginauth buffer overflowEPSS 7.1%CVE-2025-6621MEDIUMTOTOLINK CA300-PoE ap.so QuickSetting os command injectionEPSS 2.5%CVE-2025-6620MEDIUMTOTOLINK CA300-PoE upgrade.so setUpgradeUboot os command injectionEPSS 2.5%CVE-2025-6618MEDIUMTOTOLINK CA300-PoE wps.so SetWLanApcliSettings os command injectionEPSS 2.5%CVE-2026-124059CRITICALTOTOLINK CA300-PoE cstecgi.cgi setWiFiWdsAddConfig buffer overflowEPSS —CVE-2026-124058CRITICALTOTOLINK CA300-PoE cstecgi.cgi setWiFiRepeaterConfig buffer overflowEPSS —