Vulnerability in Totolink N300rh
CVE-2026-7633
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (42.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Totolink N300rh — versions 6.1c.1353_B20190305
Weakness classification (CWE)
References
- vuldb.com/vuln/360579 (technical-description, vdb-entry)
- vuldb.com/vuln/360579/cti (signature, permissions-required)
- vuldb.com/submit/806597 (third-party-advisory)
- github.com/xyh4ck/iot_poc/tree/main/TOTOLINK/N300RHv4/03_setUploadSetting_ECFNP (exploit)
- www.totolink.net/ (product)
Frequently asked questions
- What is CVE-2026-7633?
- CVE-2026-7633 is a medium-severity vulnerability in Totolink N300rh, classified under External Control of File Name or Path. CVSS score: 6.5/10. Published 2026-05-02.
- How severe is CVE-2026-7633?
- Medium severity. CVSS v3 base score is 6.5 out of 10.