RCE in Tenda F453
CVE-2026-6989
A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack…
EPSS: 0.003 (49.9th 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
- Tenda F453 — versions 1.0.0.0, 1.0.0.1, 1.0.0.2
- Tenda F453_firmware — versions 1.0.0.3
Weakness classification (CWE)
References
- VDB-359541 | Tenda F453 Telnet Service telnet TendaTelnet command injection (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-359541 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #796560 | Tenda Tenda F453 Router <= V1.0.0.3 Remote Command Execution (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-6989?
- CVE-2026-6989 is a medium-severity vulnerability in Tenda F453, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-04-25.
- How severe is CVE-2026-6989?
- Medium severity. CVSS v3 base score is 6.3 out of 10.