RCE in Totolink Ca300-Poe
CVE-2025-6620
A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been rated as critical. Affected by this issue is the function setUpgradeUboot of the file upgrade.so. The manipulation of the argument FileName leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Command Injection (OS Command Injection)
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: 0.025 (83.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: -0.000
Affected products
- Totolink Ca300-Poe — versions 6.2c.884
- Totolink Ca300-Poe Firmware — versions 6.2c.884
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/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md (related, Exploit, Third Party Advisory)
- github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_46/46.md (Exploit, Third Party Advisory, exploit)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-6620?
- CVE-2025-6620 is a medium-severity vulnerability in Totolink Ca300-Poe, classified under Command Injection. CVSS score: 6.3/10. Published 2025-06-25.
- How severe is CVE-2025-6620?
- Medium severity. CVSS v3 base score is 6.3 out of 10.