RCE in Totolink T6
CVE-2025-7524
A vulnerability was found in TOTOLINK T6 4.1.5cu.748_B20211015. It has been classified as critical. This affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component HTTP POST Request Handler. The manipulation of the argument ip leads to command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.028 (86.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Totolink T6 — versions 3, 4.1.5cu.748_B20211015
- Totolink T6 Firmware — versions v4.1.5cu.748_b20211015
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/ElvisBlue/Public/blob/main/Vuln/2.md (related, Exploit, Third Party Advisory)
- github.com/ElvisBlue/Public/blob/main/Vuln/2.md (Exploit, Third Party Advisory, exploit)
- www.youtube.com/watch (Exploit, media-coverage)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-7524?
- CVE-2025-7524 is a medium-severity vulnerability in Totolink T6, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-07-13.
- How severe is CVE-2025-7524?
- Medium severity. CVSS v3 base score is 6.3 out of 10.