EUVD-2026-43301
GHSA-mg6v-gcmc-mw8w
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable low-complexity endpoint needing low-privilege web-UI auth (PR:L), no user interaction, with full device compromise giving high C/I/A.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4DescriptionCVE.org
A vulnerability was found in Tenda CH22 1.0.0.1. This impacts the function formCertListInfo of the file /goform/CertListInfo. The manipulation of the argument Name results in buffer overflow. The attack can be launched remotely. The exploit has been made public and could be used.
AnalysisAI
Buffer overflow in the Tenda CH22 router (firmware 1.0.0.1) allows a remote, authenticated attacker to corrupt memory by supplying an overlong 'Name' argument to the formCertListInfo function in the /goform/CertListInfo endpoint. The flaw was disclosed by VulDB with publicly available exploit code, and the CVSS 4.0 score of 8.7 reflects high confidentiality, integrity, and availability impact. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to reach the router's HTTP management service and submit a request to the /goform/CertListInfo endpoint invoking formCertListInfo with an oversized 'Name' parameter. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are moderately consistent. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with low-privilege access to the CH22 web interface (or on the same network segment as an exposed management port) sends a crafted POST to /goform/CertListInfo with an oversized 'Name' argument, overflowing the target buffer. Because public exploit code exists on the referenced Notion writeup, the attacker can reliably trigger a crash or attempt code execution to seize control of the router. … |
| Remediation | No vendor-released patch identified at time of analysis; no fixed firmware version is cited in the input data, so contact Tenda (https://www.tenda.com.cn/) for updated CH22 firmware and monitor for a release addressing the /goform/CertListInfo handler. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Tenda CH22 devices running firmware 1.0.0.1 in your network and document their operational criticality. …
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Same weakness CWE-120 – Classic Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today