RCE in Totolink X18
CVE-2025-1339
A vulnerability was found in TOTOLINK X18 9.1.0cu.2024_B20220329. It has been rated as critical. This issue affects the function setL2tpdConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.025 (83.2th percentile) — read the EPSS interpretation.
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.
Affected products
- Totolink X18 — versions 9.1.0cu.2024_B20220329
- Totolink X18_firmware — versions 9.1.0cu.2024_b20220329
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (exploit, Broken Link)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-1339?
- CVE-2025-1339 is a medium-severity vulnerability in Totolink X18, classified under Command Injection. CVSS score: 6.3/10. Published 2025-02-16.
- How severe is CVE-2025-1339?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-1339 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.