F453 Firmware
CVE-2026-3167
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionCVE.org
A security flaw has been discovered in Tenda F453 1.0.0.3. The impacted element is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component httpd. Performing a manipulation of the argument webSiteId results in buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.
AnalysisAI
Unauthenticated attackers can trigger a buffer overflow in the Tenda F453 firmware via the webSiteId parameter in the /goform/webtypelibrary endpoint, enabling remote code execution with full system compromise. Public exploit code is available and actively deployed against affected devices. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Tenda F453 firmware 1.0.0.3; authenticated user access to httpd web interface; /goform/webtypelibrary endpoint accessible; webSiteId parameter processing in formWebTypeLibrary function must accept oversized input without bounds checking. Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote attacker could exploit this flaw, buffer overflow. |
| Remediation | Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all Tenda F453 1.0.0.3 devices in production and isolate affected units from critical network segments. …
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External POC / Exploit Code
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