Vulnerability · CVE-2026-4554
A security flaw has been discovered in Tenda F453 1.0.0.3.
Published Mar 22, 2026 · catalog updated Jun 17, 2026 · f453 firmware
Check if you run it
No confirmed exploitation is on record for CVE-2026-4554. EPSS is 6.47%. Act only if a listed version of f453 firmware is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Low2.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 6.47%
- Remediation
- Advisory link
- Affected products
- cpe tenda/f453 firmware
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe tenda/f453 firmware1.0.0.3
How to fix CVE-2026-4554
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-4554. EPSS is 6.47%. Act only if a listed version of f453 firmware is installed.
Which versions are affected?
Compare what you have installed with tenda/f453 firmware 1.0.0.3. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-74: Injection; CWE-77: Command Injection; CWE-78: OS Command Injection. EPSS 6.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 22, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-4554
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-4554
30-day exploitation probability 6.5%
first.org - NIST NVDVulnerability recordCVE-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 r
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.