CVE-2026-2139Disclosure(tenda / tx9)

LOWCVSS 7.4 · HIGH

Signal is active with 1 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 TX9 up to 22.03.02.10_multi. Affected by this vulnerability is the function sub_432580 of the file /goform/fast_setting_wifi_set. This manipulation of the argument ssid causes buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-119CWE-120

Priority

LOW

Exploitation

NONE

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.

  • tx9
  • tx9_firmware

Threat summary

  • 4 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • General: 1 classified signal
  • Peaked 2d ago at 2 mentions (2026-02-08); latest day: 1
  • 4 total mentions across 3 days

Affected systems

Vendors
Products
tx9tx9_firmware

1 version affected across 2 products

Deep dive

Activity timeline4 mentions / 3d
01122Mentions · 2026-02-08: 2Mentions · 2026-02-09: 1Mentions · 2026-02-13: 1Technical Details · 2026-02-08: 1Technical Details · 2026-02-09: 1Technical Details · 2026-02-13: 102-0802-0902-13
Signal classification2 categories
Disclosure
375.0%
General
125.0%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-02-082
Disclosure1General1
2026-02-091
Disclosure1
2026-02-131
Disclosure1
Full discourse4 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-2139 A vulnerability was determined in Tenda TX9 up to 22.03.02.10_multi. Affected by this vulnerability is the function sub_432580 of the file /goform/fast_setting_wifi_set… https://www.cve.org/CVERecord?id=CVE-2026-2139

    Post summary

    A new vulnerability was identified in Tenda TX9 firmware (up to 22.03.02.10_multi) affecting the sub_432580 function in /goform/fast_setting_wifi_set.

    00010311
    56.5K followersView on X
  • CRAC Learning - Tech@cracbot
    Disclosure

    CVE-2026-2139 (CVSS:7.4, HIGH) is Analyzed. A vulnerability was determined in Tenda TX9 up to 22.03.02.10_multi. Affected by this vulnerability is the function sub_..https://nvd.nist.gov/vuln/detail/CVE-2026-2139 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre

    Post summary

    The post announces that CVE-2026-2139 has been analyzed, noting its CVSS score and affected product, but offers no evidence of exploitation, PoC, or patches.

    0000040
    171 followersView on X
  • CVEFind.com@CveFindCom
    Disclosure

    [CVE-2026-2139: HIGH] Critical cyber security alert! Vulnerability in Tenda TX9 up to version 22.03.02.10_multi allows remote attackers to trigger a buffer overflow via manipulated argument ssid in the fast_se...#cve,CVE-2026-2139,#cybersecurity https://cvefind.com/CVE-2026-2139

    Post summary

    A critical buffer overflow vulnerability (CVE-2026-2139) affecting Tenda TX9 routers up to version 22.03.02.10_multi has been disclosed, but no PoC, exploit, patch, or evidence of active exploitation is provided.

    0000067
    583 followersView on X
  • RedPacket Security@RedPacketSec
    General

    CVE Alert: CVE-2026-2139 - Tenda - TX9 - https://www.redpacketsecurity.com/cve-alert-cve-2026-2139-tenda-tx9/ #OSINT #ThreatIntel #CyberSecurity #cve-2026-2139 #tenda #tx9

    Post summary

    The post references a CVE alert for CVE-2026-2139 affecting Tenda TX9 devices, linking to an advisory page. No additional technical details, exploit information, or patch guidance are provided.

    00000137
    3.5K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWtendatx9---
OStendatx9_firmware---

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