CVE-2026-1326: medium-severity vulnerability in Totolink NR1800X
Totolink NR1800X POST Request cstecgi.cgi setWanCfg 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 3.5%
A weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. This vulnerability affects the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument Hostname causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
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-2026-1327MEDIUMTotolink NR1800X POST Request cstecgi.cgi setTracerouteCfg command injectionEPSS 2.9%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%