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CVE-2026-5103mediumCWE-74CWE-77

Totolink A3300R cstecgi.cgi setUPnPCfg command injection

33Vexday Risk Score

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

ssvc Attendcvss 5.3epss 3.6%
exploitation probability
3.6%top 12% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. This issue affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument enable causes command injection. The attack is possible to be carried out 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 · A3300R
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.