RCE in Tenda F453
CVE-2026-4554
A security flaw has been discovered in Tenda F453 1.0.0.3. The affected element is the function FormWriteFacMac of the file /goform/WriteFacMac. The manipulation of the argument mac results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
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: 0.065 (93.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.5% 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: 0.065 · change: +0.027
Affected products
- Tenda F453 — versions 1.0.0.3
- Tenda F453 Firmware — versions 1.0.0.3
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/Litengzheng/vul_db/blob/main/F453/vul_95/README.md (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2026-4554?
- CVE-2026-4554 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 2026-03-22.
- How severe is CVE-2026-4554?
- Medium severity. CVSS v3 base score is 6.3 out of 10.