CVE-2025-6621: medium-severity vulnerability in TOTOLINK CA300-PoE
TOTOLINK CA300-PoE ap.so QuickSetting os command injection
Published · Updated
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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 classified as critical has been found in TOTOLINK CA300-PoE 6.2c.884. This affects the function QuickSetting of the file ap.so. The manipulation of the argument hour/minute leads to os command injection. It is possible to initiate the attack 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-2025-6620MEDIUMTOTOLINK CA300-PoE upgrade.so setUpgradeUboot os command injectionEPSS 2.5%CVE-2025-6619MEDIUMTOTOLINK CA300-PoE upgrade.so setUpgradeFW 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 —