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CVE-2026-3301criticalCWE-77CWE-78

Totolink N300RH Web Management cstecgi.cgi setWebWlanIdx os command injection

48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.3epss 4.0%
exploitation probability
4.0%top 10% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A security flaw has been discovered in Totolink N300RH 6.1c.1353_B20190305. Affected by this vulnerability is the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Performing a manipulation of the argument webWlanIdx results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Totolink · N300RH
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.