CVE-2026-2139

Tenda TX9 fast_setting_wifi_set sub_432580 buffer overflow

HIGH
8.8
CVSS Score
Published: February 8, 2026 at 06:32 AM UTC
Updated: June 17, 2026 at 10:30 AM UTC
2 products affected across 1 vendorTX9 FirmwareTX9

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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 22.03.02.10
tenda-tx9 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.344774
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.344774
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.747250
Product
Source: cverecord
https://www.tenda.com.cn/

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120CWE-119

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