CVE-2026-7633

Totolink N300RH cstecgi.cgi setUploadSetting file inclusion

CVSS 6.9 MEDIUMEPSS 0.3%CWE-73

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 6.9EPSS 0.3%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

02 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

A vulnerability was identified in Totolink N300RH 6.1c.1353_B20190305. This impacts the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument FileName leads to file inclusion. The attack may be performed from remote. The exploit is publicly available and might be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected products

Totolink · N300RH

public PoCs found — 1

cve_referencegithub.com/xyh4ck/iot_poc/tree/main/TOTOLINK/N300RHv4/03_setUploadSetting_ECFNPunverified

⚠ 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/xyh4ck/iot_poc/tree/main/TOTOLINK/N300RHv4/03_setUploadSetting_ECFNP https://vuldb.com/submit/806597 https://vuldb.com/vuln/360579 https://vuldb.com/vuln/360579/cti https://www.totolink.net/