CVE-2026-1156: high-severity vulnerability in Totolink LR350
Totolink LR350 cstecgi.cgi setWiFiBasicCfg buffer overflow
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.7%
A vulnerability was determined in Totolink LR350 9.3.5u.6369_B20220309. Affected by this issue is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ssid causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
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 · LR350Related CVEs — Totolink LR350
In the same product, most dangerous first.
CVE-2026-1149MEDIUMTotolink LR350 POST Request cstecgi.cgi setDiagnosisCfg command injectionEPSS 3.0%CVE-2026-1150MEDIUMTotolink LR350 POST Request cstecgi.cgi setTracerouteCfg command injectionEPSS 2.6%CVE-2026-1157HIGHTotolink LR350 cstecgi.cgi setWiFiEasyCfg buffer overflowEPSS 1.0%CVE-2026-1155HIGHTotolink LR350 cstecgi.cgi setWiFiEasyGuestCfg buffer overflowEPSS 0.9%CVE-2026-1158HIGHTotolink LR350 POST Request cstecgi.cgi setWizardCfg buffer overflowEPSS 0.7%CVE-2026-4976HIGHTotolink LR350 cstecgi.cgi setWiFiGuestCfg buffer overflowEPSS 0.7%