CVE-2026-5103: medium-severity vulnerability in Totolink A3300R
Totolink A3300R cstecgi.cgi setUPnPCfg command injection
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 4.1%
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 · A3300Rpublic PoCs found — 1
cve_referencegithub.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_enable_cmd_injectunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Totolink A3300R
In the same product, most dangerous first.
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