CVE-2026-2187

Tenda RX3 formSetQosBand set_qosMib_list stack-based overflow

HIGH
8.8
CVSS Score
Published: February 8, 2026 at 09:02 PM UTC
Updated: June 17, 2026 at 10:30 AM UTC
1 product affected across 1 vendorRX3 Firmware

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Severity
HIGH8.8
Exploit prediction
EPSS 0.9%
SSVC
PoC

Description

A vulnerability was found in Tenda RX3 16.03.13.11. The affected element is the function set_qosMib_list of the file /goform/formSetQosBand. Performing a manipulation of the argument list results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

Affected

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

tenda-rx3 (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 (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.344890
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.344890
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.749721
ExploitIssue Tracking
Source: cverecord
https://github.com/LX-66-LX/cve-new/issues/8
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-121CWE-119

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