CVE-2026-3972Disclosure(tenda / w3)

LOWCVSS 8.8 · HIGH

Signal is active with 4 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-119CWE-121CWE-787

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • w3
  • w3_firmware

Threat summary

  • 4 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • General: 2 classified signals
  • 4 total mentions across 1 day

Affected systems

Vendors
Products
w3w3_firmware

2 versions affected across 2 products

Deep dive

Activity timeline4 mentions / 1d
01234Mentions · 2026-03-12: 4Technical Details · 2026-03-12: 203-12
Signal classification2 categories
Disclosure
250.0%
General
250.0%
Referenced assets4 URLs
Full discourse4 posts
  • RedPacket Security@RedPacketSec
    Disclosure

    CVE Alert: CVE-2026-3972 - Tenda - W3 - https://www.redpacketsecurity.com/cve-alert-cve-2026-3972-tenda-w3/ #OSINT #ThreatIntel #CyberSecurity #cve-2026-3972 #tenda #w3

    Post summary

    The post briefly announces CVE-2026-3972 for a Tenda W3 device with a link to a CVE alert page, but offers no technical details, PoC, exploit code, or patch information.

    0000070
    3.5K followersView on X
  • CVEarity@CVEarity
    General

    ⚡ New CVE Alert: CVE-2026-3972 📊 Severity: 8.8 🚨 Risk Level: High 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-3972 #CVE-2026-3972 #CVE #High  #CyberSecurity #InfoSec https://t.co/1i8oa9M4pB

    Post summary

    The tweet announces a new CVE (CVE-2026-3972) with a severity score and provides a reference link, but offers no further technical or operational details.

    0000032
    96 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-3972 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 man… https://www.cve.org/CVERecord?id=CVE-2026-3972

    Post summary

    CVE-2026-3972 is a newly disclosed vulnerability in Tenda W3 firmware, affecting the formSetCfm function of the HTTP Handler.

    00000105
    56.7K followersView on X
  • CVEFind.com@CveFindCom
    General

    [CVE-2026-3972: HIGH] Vulnerability in Tenda W3 1.0.0.3(2204) found - stack-based buffer overflow in HTTP Handler component. Attack possible from local network. Exploit public.#cve,CVE-2026-3972,#cybersecurity https://cvefind.com/CVE-2026-3972

    Post summary

    The post reports a stack-based buffer overflow in Tenda W3 firmware and notes a publicly available exploit, but provides no PoC, patch, or evidence of active exploitation.

    0000048
    601 followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWtendaw3---
OStendaw3_firmware1.0.0.3\(2204\)--

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