CVE-2026-3973Disclosure(tenda / w3)

LOWCVSS 7.4 · 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 determined in Tenda W3 1.0.0.3(2204). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component POST Parameter Handler. This manipulation of the argument ping1/ping2 causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

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 3 signals
  • Disclosure: 4 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: 303-12
Signal classification1 categories
Disclosure
4100.0%
Referenced assets4 URLs
Full discourse4 posts
  • RedPacket Security@RedPacketSec
    Disclosure

    CVE Alert: CVE-2026-3973 - Tenda - W3 - https://www.redpacketsecurity.com/cve-alert-cve-2026-3973-tenda-w3/ #OSINT #ThreatIntel #CyberSecurity #cve-2026-3973 #tenda #w3

    Post summary

    The tweet alerts about CVE‑2026‑3973 for Tenda W3, linking to a RedPacketSecurity page, but provides no technical, exploit, or mitigation details.

    0000071
    3.5K followersView on X
  • CVEarity@CVEarity
    Disclosure

    ⚡ New CVE Alert: CVE-2026-3973 📊 Severity: 8.8 🚨 Risk Level: High 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-3973 #CVE-2026-3973 #CVE #High  #CyberSecurity #InfoSec https://t.co/LZU04sfo3H

    Post summary

    The tweet announces CVE-2026-3973 with a severity of 8.8 and high risk, citing the NVD reference, but lacks details on mitigations or exploitation.

    0000035
    96 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-3973 A vulnerability was determined in Tenda W3 1.0.0.3(2204). This affects the function formSetAutoPing of the file /goform/setAutoPing of the component POST Parameter Hand… https://www.cve.org/CVERecord?id=CVE-2026-3973

    Post summary

    A new CVE-2026-3973 was identified in Tenda W3 firmware affecting the formSetAutoPing function; no exploit, patch, or active exploitation details are provided.

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

    [CVE-2026-3973: HIGH] Vulnerability discovered in Tenda W3 1.0.0.3(2204) can lead to remote stack-based buffer overflow via manipulation of formSetAutoPing function, exploit disclosed.#cve,CVE-2026-3973,#cybersecurity https://cvefind.com/CVE-2026-3973

    Post summary

    The text announces a high‑severity CVE detailing a stack‑based buffer overflow in Tenda W3 firmware, with an exploit disclosed but no patch or PoC link provided.

    0000051
    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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