RCE in Totolink X5000r
CVE-2025-9934
A vulnerability was found in TOTOLINK X5000R 9.1.0cu.2415_B20250515. This affects the function sub_410C34 of the file /cgi-bin/cstecgi.cgi. Performing manipulation of the argument pid results in command injection. Remote exploitation of the attack is possible. The exploit has been made public and could 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: 0.037 (89.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Totolink X5000r — versions 9.1.0cu.2415_B20250515
- Totolink X5000r Firmware — versions 9.1.0cu.2415_b20250515
Weakness classification (CWE)
Public proof-of-concept exploits
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/Axelioc/CVE/blob/main/TOTOLINK/X5000R/sub_410C34/sub_410C34.md (related, Exploit, Third Party Advisory)
- github.com/Axelioc/CVE/blob/main/TOTOLINK/X5000R/sub_410C34/sub_410C34.md (Exploit, Third Party Advisory, exploit)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-9934?
- CVE-2025-9934 is a medium-severity vulnerability in Totolink X5000r, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2025-09-04.
- How severe is CVE-2025-9934?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-9934 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.