CVE-2025-7837: high-severity vulnerability in TOTOLINK T6
TOTOLINK T6 MQTT Service recvSlaveStaInfo buffer overflow
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 1.3%
A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this issue is the function recvSlaveStaInfo of the component MQTT Service. The manipulation of the argument dest leads to buffer overflow. The attack may 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:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
TOTOLINK · T6Related CVEs — TOTOLINK T6
In the same product, most dangerous first.
CVE-2025-7952MEDIUMTOTOLINK T6 MQTT Packet wireless.so ckeckKeepAlive command injectionEPSS 24.5%CVE-2025-7525MEDIUMTOTOLINK T6 HTTP POST Request cstecgi.cgi setTracerouteCfg command injectionEPSS 2.8%CVE-2025-7524MEDIUMTOTOLINK T6 HTTP POST Request cstecgi.cgi setDiagnosisCfg command injectionEPSS 2.8%CVE-2025-7615MEDIUMTOTOLINK T6 HTTP POST Request cstecgi.cgi clearPairCfg command injectionEPSS 2.4%CVE-2025-7614MEDIUMTOTOLINK T6 HTTP POST Request cstecgi.cgi delDevice command injectionEPSS 2.4%CVE-2025-7613MEDIUMTOTOLINK T6 HTTP POST Request cstecgi.cgi CloudSrvVersionCheck command injectionEPSS 2.4%