CVE-2026-3376Disclosure(tenda / f453)

LOWCVSS 7.4 · HIGH

Exploitation observed; activity peaked at 3 mentions and remains active

Immediate actions

  • Prioritize remediation for tenda f453 systems immediately
  • Assume compromise if assets are exposed
  • Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD description

A security vulnerability has been detected in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromSafeMacFilter of the file /goform/SafeMacFilter. Such manipulation of the argument page leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

3.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-119CWE-120

Priority

LOW

Exploitation

ACTIVE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

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

  • f453
  • f453_firmware

Threat summary

  • Active exploitation appears in 1 classified signals
  • 6 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Active exploitation reported across 1 signal
  • Technical details provided in 4 signals
  • Disclosure: 4 classified signals
  • General: 1 classified signal
  • Peaked 1d ago at 3 mentions (2026-03-01); latest day: 1
  • 6 total mentions across 3 days

Affected systems

Vendors
Products
f453f453_firmware

2 versions affected across 2 products

Deep dive

Activity timeline6 mentions / 3d
01223Mentions · 2026-02-28: 2Mentions · 2026-03-01: 3Mentions · 2026-03-05: 1Active Exploitation · 2026-03-01: 1Technical Details · 2026-02-28: 1Technical Details · 2026-03-01: 2Technical Details · 2026-03-05: 102-2803-0103-05
Signal classification3 categories
Disclosure
466.7%
General
116.7%
Active Exploitation
116.7%
Referenced assets6 URLs
Classification over time
DateTotalLabels
2026-02-282
Disclosure1General1
2026-03-013
Active Exploitation1Disclosure2
2026-03-051
Disclosure1
Full discourse6 posts
  • CRAC Learning - Tech@cracbot
    Disclosure

    CVE-2026-3376 (CVSS:7.4, HIGH) is Analyzed. A security vulnerability has been detected in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromSaf..https://nvd.nist.gov/vuln/detail/CVE-2026-3376 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre

    Post summary

    The tweet announces detection of CVE‑2026‑3376 (CVSS 7.4, HIGH) in Tenda F453 1.0.0.3, detailing the affected function but providing no PoC, exploit, patch, or active exploitation information.

    0000024
    173 followersView on X
  • VulDB 🛡@vuldb
    Active Exploitation

    A lot of offensive activities were identified targeting Tenda F453 (CVE-2026-3376) https://vuldb.com/?ctiid.348261

    Post summary

    Multiple offensive operations targeting Tenda F453 (CVE-2026-3376) have been detected, indicating active exploitation in the wild.

    0000083
    2.1K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-3376 - Tenda F453 SafeMacFilter fromSafeMacFilter buffer overflow Intel Report: https://ift.tt/z3WAThi

    Post summary

    The alert announces CVE-2026-3376, a buffer overflow vulnerability in Tenda F453 SafeMacFilter, and provides a link to an Intel report.

    0000045
    343 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-3376 A security vulnerability has been detected in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromSafeMacFilter of the file /goform/SafeMacFilter. Su… https://www.cve.org/CVERecord?id=CVE-2026-3376 ----- Traducción: La vulnerabilidad… http://infoflow.cloud`

    Post summary

    The post announces CVE-2026-3376 affecting Tenda F453, noting the vulnerable function but provides no PoC, exploit, or patch details.

    0000047
    55 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-3376 A security vulnerability has been detected in Tenda F453 1.0.0.3. Affected by this vulnerability is the function fromSafeMacFilter of the file /goform/SafeMacFilter. Su… https://www.cve.org/CVERecord?id=CVE-2026-3376

    Post summary

    A CVE-2026-3376 vulnerability was identified in Tenda F453 firmware, but the brief notice provides no further details on exploitation, patching, or technical specifics.

    00000818
    56.6K followersView on X
  • CVEFind.com@CveFindCom
    Disclosure

    [CVE-2026-3376: HIGH] Security advisory: Vulnerability in Tenda F453 1.0.0.3. Exploit allows remote buffer overflow through manipulation of fromSafeMacFilter function, potentially enabling cyber attacks.#cve,CVE-2026-3376,#cybersecurity https://cvefind.com/CVE-2026-3376

    Post summary

    A high‑severity CVE‑2026‑3376 affecting Tenda F453 1.0.0.3 is disclosed, detailing a remote buffer overflow through the fromSafeMacFilter function.

    0000071
    585 followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWtendaf453---
OStendaf453_firmware1.0.0.3--

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