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CVE-2026-5178

Totolink A3300R cstecgi.cgi setIptvCfg command injection

CVSS 5.3 MEDIUMEPSS 3.7%CWE-74CWE-77
A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. 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 · A3300R
public PoCs found — 1
cve_referencegithub.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_vlanPriLan3_cmd_injectunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_vlanPriLan3_cmd_injecthttps://vuldb.com/submit/779147https://vuldb.com/vuln/354246https://vuldb.com/vuln/354246/ctihttps://www.totolink.net/