CVE-2026-1327: medium-severity vulnerability in Totolink NR1800X
Totolink NR1800X POST Request cstecgi.cgi setTracerouteCfg 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 2.9%
A security vulnerability has been detected in Totolink NR1800X 9.1.0u.6279_B20210910. This issue affects the function setTracerouteCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Such manipulation of the argument command leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly 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 · NR1800XRelated CVEs — Totolink NR1800X
In the same product, most dangerous first.
CVE-2026-1326MEDIUMTotolink NR1800X POST Request cstecgi.cgi setWanCfg command injectionEPSS 3.5%CVE-2026-5030MEDIUMTotolink NR1800X Telnet Service cstecgi.cgi NTPSyncWithHost command injectionEPSS 2.6%CVE-2023-7220CRITICALTotolink NR1800X cstecgi.cgi loginAuth stack-based overflowEPSS 1.5%CVE-2026-7548HIGHTotolink NR1800X cstecgi.cgi sub_41A68C command injectionEPSS 1.5%CVE-2026-15701CRITICALTotolink NR1800X lighttpd formLogout.htm Form_Logout stack-based overflowEPSS 1.1%CVE-2026-1328HIGHTotolink NR1800X POST Request cstecgi.cgi setWizardCfg buffer overflowEPSS 0.8%