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 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: 0.063 (93.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.063 · change: +0.034
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
- vuldb.com/vuln/359541 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/359541/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/796560 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/alc9700jmo/CVE/issues/24 (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)
- www.tenda.com.cn/ (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.