Information disclosure in Totolink A720r
CVE-2025-4270
A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been classified as problematic. Affected is an unknown function of the file /cgi-bin/cstecgi.cgi of the component Config Handler. The manipulation of the argument topicurl with the input getInitCfg/getSysStatusCfg leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.131 (96.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.131 · newest: 0.131 · change: 0.000
Affected products
- Totolink A720r — versions 4.1.5cu.374
- Totolink A720r Firmware — versions 4.1.5cu.374
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getInitCfg.md (related, Exploit)
- github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getSysStatusCfg.md (Exploit, exploit)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-4270?
- CVE-2025-4270 is a medium-severity vulnerability in Totolink A720r, classified under Information Disclosure. CVSS score: 5.3/10. Published 2025-05-05.
- How severe is CVE-2025-4270?
- Medium severity. CVSS v3 base score is 5.3 out of 10.