CVE-2025-12212

Tenda O3 setNetworkService GetValue stack-based overflow

HIGH
8.8
CVSS Score
Published: October 27, 2025 at 03:32 AM UTC
Updated: October 8, 2026 at 11:10 AM UTC
3 products affected across 1 vendorO3 FirmwareO3 Firmware1.0.0.10 (2478 )O3· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

A weakness has been identified in Tenda O3 1.0.0.10(2478). This affects the function SetValue/GetValue of the file /goform/setNetworkService. This manipulation of the argument upnpEn causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited.

Affected

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

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

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.329882
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.329882
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.673267
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

StatusMODIFIED
CWE
CWE-121CWE-119

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