CVE•Published 2026-03-12•Modified 2026-04-29•1 article on news•6 live references•NVD data
CVE-2026-3972Tenda · W3_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
39
Exploit Prediction Scoring System · top 61% of all CVEs
Weaknesses (CWE)
Description
A vulnerability was found in Tenda W3 1.0.0.3(2204). Affected by this issue is the function formSetCfm of the file /goform/setcfm of the component HTTP Handler. The manipulation of the argument funcpara1 results in stack-based buffer overflow. The attack can only be performed from the local network. The exploit has been made public and could be used.
Timeline
Published 2026-03-12
Modified 2026-04-29
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-3972Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"W3 Firmware"Hosts Shodan identified as running W3 Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2026-3972Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-3972Censys host search filtered to this CVE id.
grep.app
CVE-2026-3972Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-3972GitHub code search for direct mentions.
Google dork
"CVE-2026-3972" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2026-39728 repos
ercihan/copy.failAssembly
oslook/n8n-workflowsunknown
4200 + Workflow Automation Templates are Grouped by Categories/Services for easy navigation
bodrick/awesome-starsunknown
mhtsec/CVE-2026-84645Python
Jenkins PersistenceRoot Deserialization RCE (SECURITY-3972) — PoC & analysis. Requires Item/Configure; affects weekly <= 2.579 / LTS <= 2.568.2
Svigo-o/Tenda_vulunknown
brimstone/starsunknown
My starred GitHub repositories
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