CVE-2025-12209

Tenda O3 setDhcpConfig GetValue stack-based overflow

HIGH
8.8
CVSS Score
Published: October 27, 2025 at 03:02 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 1%
SSVC
PoC

Description

A vulnerability was determined in Tenda O3 1.0.0.10(2478). Affected is the function SetValue/GetValue of the file /goform/setDhcpConfig. Executing manipulation of the argument dhcpEn can lead to stack-based buffer overflow. The attack may be performed from remote. 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.

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.329879
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.329879
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.673263
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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