CVE•Published 2026-03-12•Modified 2026-04-29•1 article on news•7 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). Live host counts are a Premium feature.
Shodan · vuln tag
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.