Vulnerability · CVE-2026-3971
A vulnerability has been found in Tenda i3 1.0.0.6(2204).
Published Mar 12, 2026 · corrected/updated Jun 17, 2026 · tenda i3 firmware · evidence confidence high
A vulnerability has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument index/GO leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-3971 is a high public vulnerability record for tenda i3 firmware. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether tenda i3 firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: tenda/i3 firmware (1.0.0.6\(2204\)). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 7.4 (technical impact); EPSS 1.1% (30-day exploitation probability). It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-119, CWE-121, CWE-787. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.
Patch and remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
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 12, 2026 · NIST NVD
Detected
A vulnerability has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument index/GO leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Jun 17, 2026 · NIST NVD
Updated
A vulnerability has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument index/GO leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Affected
Enter an installed version to get a verified affected / not-affected result against the ranges below.
- cpe tenda/i3 firmware1.0.0.6\(2204\)
Sources
- CVE.orgVulnerability recordCVE-2026-3971
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-3971
30-day exploitation probability 1.1%
first.org - NIST NVDVulnerability recordCVE-2026-3971
A vulnerability has been found in Tenda i3 1.0.0.6(2204). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset. The manipulation of the argument index/GO leads to stack-based buffer overflow. Remote exploitation of the attack is possible.
nvd.nist.gov