CVE-2025-12236

Tenda CH22 DhcpListClient fromDhcpListClient buffer overflow

HIGH
8.8
CVSS Score
Published: October 27, 2025 at 06:22 AM UTC
Updated: October 8, 2026 at 11:10 AM UTC
1 product affected across 1 vendorCH22 Firmware· also runs on 1 platform

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Severity
HIGH8.8
Exploit prediction
EPSS 3%
SSVC
PoC

Description

A vulnerability was determined in Tenda CH22 1.0.0.1. This issue affects the function fromDhcpListClient of the file /goform/DhcpListClient. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. 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.

tenda-ch22 (same device)

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 (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.329906
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.329906
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.673724
Broken LinkExploitIssue TrackingThird Party Advisory
Source: cverecord
https://github.com/QIU-DIE/CVE/issues/17
Product
Source: cverecord
https://www.tenda.com.cn/
Third Party Advisory
Source: cverecord
https://vuldb.com/?submit.721455

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-120CWE-119

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