Vulnerability in Totolink N350r
CVE-2025-8938
A vulnerability was found in TOTOLINK N350R 1.2.3-B20130826. This issue affects the function formSysTel of the file /boafrm/formSysTel of the component Telnet Service. The manipulation of the argument TelEnabled leads to backdoor. The attack may be initiated 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: 0.003 (22.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Totolink N350r — versions 1.2.3-B20130826
- Totolink N350r Firmware — versions 1.2.3-b20130826
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/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.md (related, Broken Link)
- github.com/rew1X/CVE/blob/main/TOTOLINK/formSysTel/formSysTel.md (exploit, Broken Link)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2025-8938?
- CVE-2025-8938 is a medium-severity vulnerability in Totolink N350r, classified under Hidden Functionality. CVSS score: 6.3/10. Published 2025-08-14.
- How severe is CVE-2025-8938?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-8938 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.